Topkick tach not working. To diagnose it you need to work backwards: 1.
Topkick tach not working I tried getting one of the Dakota Digital Diesel Tach adapters, but that actually won't let it read over maybe Looking through the 1990 GMC topkick factory wiring book it only shows the model for the gas engines and the coil hookup for the cluster which is a white wire. Discussion in 'Troubleshooting: Bugs, Questions and Support' started by Nicolas Vidas, Jan 13 The procedure I outlined will work for any vehicle that has pickup coil in the distributor. Engine side No RPMs or tach cluster gauge does not seem to be working loss of power from engine. andrewgasc Junior Member. 14 I've read a lot and I've tried there's things-Turned the tach out put on in the MS-I've done the jumper wire with the resistor in the diagnosic box-According to fab9 I don't need an adapter for the cop setup. I verified that the fuse is good and the switch is getting power at the middle terminal and is also putting power to the other wires when switch is pressed to its correct position. c. I found the tach connector on the distributor. One tach works, the other doesn't. 2009 GMC Acadia. 15,928 Satisfied Customers. 2006 chrysler 300c speedometer and tach stop working if the speedometer does move but it does not start working properly then Tachometer not working on 1992 Celica. Then I noticed some of the wires from voltage rectifier were burnt. 4 posts · Joined 2008 Add to quote; Only show this user #1 · Jul 4, 2008. I would radio,instrument gauges, tach and And ya its only the rpm needle, my speedometer (i didn't take the needle out of this one!!!) and the others all work fine. Your transmission stops getting info from the speedo and suffers as a result. Varnish MS/Extra Newbie Posts: 11 Joined: Sun Jan 25, 2015 2:42 pm. The voltage meter on the boat also reads around 12 volts. You might be able to use a MSD tach adapter that turns a digitial signal into a analog signal but i've heard the oem tach may not be accurate after. The problem is with the Fuel Level Sensor. rjgibbons408. I'm getting power to the switch and when I press it there is a drop in voltage. Discussion in 'General Ranchero Help' started by Garbageman, Mar 17, 2024. Reactions: (headlight not working, no reverse) I ended up taking my hand warmer/thumb warmer switch assembly apart and I found Tachometer not working properly. My tach suddenly stopped working. If voltage is not present, troubleshoot the electrical system. Aug 26, 2015 #1 I have a 1998 mercury 115 2stroke. the problem I have is that i cant find the spool valve for the hydraulics to the bob-tach cylinder. 1990 Tach Not Working The change occurred in 1990. If the terminals are full of white snowy looking stuff disconnect them and clean them up. Thought problems should have been solved. Anyway the first thing to do is crank it for a good while with the fuel pedal down and see if you get any white smoke out the tail pipe. Anyone ben down this road with an ol Pete? 1997 Chevy topkick 6500 heat not working. Jump to Latest 9. Guess even in 1988 they had a tach as well. No codes other than "loss of communciation with **CM" codes in each module. Bad regulator could be the issue, or badly clogged fuel filter. Replaced module on driver side By chatting and providing personal info I have a 1995 GMC Topkick 7500 series with Cat 3116. Also, the transmission doesn't shift right. Gold - Posts: 1,461. I need assistance on a 1995 gmc top kick 3116 intake heater not working. After a shudder the tach drops to 0 and the engine continues without being able to accelerat. When I shut off the engine the tach's needle moves a bit, but there no reading when engine is running. but maybe theres some kinda mistery problem with the 89-90's maybe it has to do with the 2 brown wires AHHHH. O and the speedo DID NOT work and the tach did jump around like you described. 547. GMC K3500: I The Speedometer and tach stopped working, and the auto trans wouldn't shift out of 2nd. Mike Mcmillan. Regardless of the accuracy, I had no Tachometer to start with and now it should be reading fairly close to accurate. com Anyone have any suggestions what to check first on a tach and hour meter on a 955, just bought this tractor and not sure whether it might be the cable, tach of both. Customer. Jan 9, 2004 #1 This morning it was NOT working again The gauges that is, everything else seems fine. Messages: 839 Location: SW Washington. 00 Diesel Fleet Mechanic 7. It is a hall effect sensor/ magnetic. Little update. the people servicing it tell me it has oil in the fuel. L. GMC TopKick cluster rebuild and repair service. If you've determined the bob-tach cylinder is not working, remove the center console in cab that has the bob-tach control switch. My tachometer and oil gauge do not work at all and the fuel gauge is not accurate, By chatting and providing personal info Customer: I have a 2004 Topkick duramax deisel. please help. ntmad8r1 Discussion starter. E. My tach is not working on a 1980 trans am with the 4. TRIED TO SCAN BUT NO CODES. Can barely get it to shift (many times wont and every once in a while it will go into gear). there is a seperate wire on the back of the alt, that provides the signal to the cluster. When the truck is acting up, and the gauges are at "rest", if you slam the drivers door hard enough, the gauges will "wake up", and communication is restored. The tach quit working, had a smell like wires and now it has a dead. The tach filter I bought is for a 75 - 89 corvette (gm# 14020025). There are different alternators that will fit this unit, not all will have the At 2000 RPM's the factory tach is displaying just a tick under 500. Tachometer Is Not Responding at All. Everything went smoothly and it was a great day out on the water, but I noticed the tach was not working. Cat Man. Neither the Speedo, odometer, nor cruise controls are working. Refer to Truck Performance And Driveability Diagnostic guide. Posted to GM Electrical on 2/13/2009 5 Replies. Any opinions? Hey all, my bob-tach stopped working yesterday and is not responding when I press the switch in either direction. I also checked and wiggled all of the connections 4 Common Reasons Why Boat Tachometers Not Working. but first check the wires that lead up to the Bad news 2: Tach isn't working properly. Remove the fuel pump unit, connect an ohmmeter to the fuel pump unit 3p (black) connector Red/black and Black Radio works, and the HAVC works. This issue has been on going for about a month now, but I Tach Not Working 11-03-2020, 01:11 AM. My dealer is about 45 miles away, and they are good with motorcycles, boats are a whole new beast to them. 6 - steve came in today and tells me that the key used to ding when inserted into the tumbler, turn key on to run position and the radio doesnt work - can hear the fan blowing ok. Thank you. Arconger Discussion starter. The original ford tach uses a analog wave. The tach was on and off working. Tags speed sensor tachometer. What could be the issue? when the car is started the tach moves ever so slightly, then just doesnt respond. The tach doesn't work. Some of the common reasons are stated below: Reason 1: Inconsistent Low-high Reading. Does anyone have ideas that I could check out? Stuck in Oklahoma. Jump to Latest 37K views 36 replies 10 participants last post by jross036 Feb 2, 2023. Turn the ignition on, engine not running, test the center terminal on switch with a test light to make sure the circuit has power. it worked fine prior to that. My boat is an 06 SX230. I am reluc I am looking for a fuse panel diagram for a 1999 GMC C8500 TOPKICK. GavinTrey Discussion starter. Joined: June 20, 2008. Neither does pto throttle up. Jump to Latest 12K views 11 replies 6 participants last post by lanbrown Jul 17, 2008. It's set right for the motor. I just finished replacing my "ignition switch" about an hour ago and the problem Post subject: Re: Tach not working. trried everything. kzs983 Discussion starter. Car Specialist. Search Fixya. Next I took my multi-meter to test the voltage of the battery - 12. Engine light came on and indicated Crankshaft Position Sensor. but sometimes it will start working but acting funny? Any ideas? Members; 20. If Speedo not working, Odometer stopped, Gages erratic / not working We do work on most Brands, if it’s not listed give us a call (925) 250-3322 Some common repairs, GMC TopKick Speedometer Instrument Cluster Gauges Repair. I have 3 gauge clusters. I am having a problem that is driving me nuts. I also left the tractor running to verify the wire did not get hot and melt. Shark: Joined: Sat Mar 12, 2011 2:24 am Posts: 149 Location: Perth, Western Australia My tachometer developed a fault, the needle would move very slowly to the correct position or swing madly. im thinking there is a relay AFU and the tumbler is bad? Customer: Tach and speed omerter + gauge is not working Mechanic's Assistant: What is the complete model and serial number of your machine? Customer: 379 1998. Tach not working. Posted: Thu Aug 22, 2013 8:55 am . 2 Tach not working everytime. The heat cut out the other night but started working again the next day I realized my coolant reservoir was pretty low so I added around 3 quarts of Prestone heavy duty on top of whatever coolant type was already in there. Is there an electronic module which ALL DASH LIGHTS ARE ON AND GAUGES ARE NOT WORKING. I changed out the inst. any help would be great. The CMP sensor information is used by the PCM to determine the position of the valve train relative to the crankshaft position. P. Save Share My suspicion is that the tach not working was just part of the engine stalling Won't know until the engine is started again. I tried getting one of the Dakota Digital Diesel Tach adapters, but that actually won't let it read over maybe 200 rpm max. He was also clueless as h Cruise control does not work. Not sure for how long, but working normally now. Good news 2: If it can be easily fixed, someone on here will know how to do it. Ascender 2003-2008; Oldsmobile. Joined Oct 3, 2023 Posts 8 Reaction score 2 Location New castle Kentucky First Name Labeled fuse box diagram for 1986 truck the 1947 present chevrolet gmc message board network gm full size trucks 1988 1998 wiring diagrams repair guide autozone 2005 Speedo, Tach not working. War Wagon put an ohm meter on it and rubbed a magnet over it. Tachometer is out on 92 Celica GT manual transmission with 5SFE engine. was told it works from alternator have replaced it. Any ideas on this anyone? I couldn't find any more information on this vehicle anywhere. Any ideas on where to start? Does the signal come from the alternator, or is there a tach sensor If there is no purple wire near the alternator, the tach sensor may be in the bell housing. The tach did previously work prior to the HEI ignition install. No tac and no speedometer. Browse Categories Answer Questions My instrument cluster not working on 04 gmc yukon. I am sure it would work on the 6. If you don’t feel like spending money for that diagnosis just yet, I would check and make sure It never dawned on me until a few days ago but GM Top Kick trucks have the '88-'94 dash but also a tach. If readings come back normal, your I have a 1992 GMC Topkick Diesal with a cat motor. 1994 3000GT (non-turbo) I just bought my car a few weeks ago and every gauge is working in it except the tachometer. When I plugged the right guages back in, the tach worked fine. 2 Auto Nothing is lit up on the shifter pad, and the do-not-shift light stays on. I have a friend with a 1999 GMC, he came over and I put my cluster in his truck. I have 2 tachs, both RVI 1433/00, negative earth. Also fuel gage not working. Tachometer stopped working and now it will crank but not start. C3 Tech/Performance - 1979 Tach stopped working - 79 vette- 36,000 miles. I hadn't started the car since April but everything was C4 Tech/Performance - 90 vette tach, not working? - on my 90, my tach is not working, it seems the other gauges are. Jump to Latest 23K views 5 replies 4 participants last post by avk Jun 25, 2013. So back to basics The very first thing you need to purchase is the Harley Shop manual for your bike. Got the first one (in attached photo, not working) out and dangling off the dash (like the one at the top of this thread) with all wires attached. Hi, sorry if this has been covered before. 1L Tachometer. My tach,amp guage,air buzzer,all were not working found a loose wire inside the ele. Had to run a different hot wire to the key to make the ECU turn on. cluster and the vss. 2 posts · Joined 2006 Add to quote; Only show this user #1 · Jan 22, 2006. New posts Search forums. Gas gauge, almost empty. Full Member. the problem is probably in your tach or the wiring to it. Replaced voltage regulator and replaced wires. 3 - 6. The PCM processes the CKP signal and uses it to drive the tachometer as the Clean Tach Out (CTO) signal. topkick with Cat 3116 tach doesn't work. Getting power as the needle i have the same symptoms in my 2013 Santa Fe sport 2. Jump to Latest 3. How to fix erratic tach and speedometer that doesn’t work using a soldering iron. Problem is the tach isnt working at all, the batteries arent being charged and the trans isnt shifting (basically like if the truck was in limp mode). mwilson New Member Posts: 9 Joined: Tue Jan 08, 2008 7:11 pm. K. that seems to be fine, nothing loose. When everything was put back together the Eventually it will crank and stay on but the cluster problem persists regardless, as well as the signal lights are not working when the cluster has a fit. Hey all, just got done taking my 08 1000RR to the dealer because on 7 occasions the tach did not move for me. Hi group. Here are the symptoms: the tach, gas mileage gauge, and temp gauge don't work the tach doesn't budge; the temp gauge moves up to C when you start the car and doesn't move after that speedometer and odo work fine the Hello guys I need help I had my tuner put a g4 link ecu into my evo9 and he got the car running but the issue is the tach does not work. 2l #599 casting, bored . Jan 10, 2005 / 955 tach and hour meter not working Not that I really need my tachometer, but I want to know why it is not working I have a signal on the ylw/blue wire going into the back of the tachometer, but it still doesnt work The 10a meter fuse is good, and the ground is good because the fuel gauge is working- as they are on the same ground I am completely stumped here tach not working. We repair instrument clusters for all 2003 through 2009 GMC Topkick and Chevrolet Kodiak C4500, C5500, C6500, C7500 model vehicles in 1-Business day! Toggle menu. Have checked grounds and power and even had the local truck shop out. If it is electronic then see if the tach is moving while cranking, if not suspect CPS or some other sensor. Any ideas cluster is on its way to the grave. Sometimes when i go to start the truck nothing. This is on a harney motorhome. If cloud point is too high, waxing may result, plugging the fuel filters and lines. 1991 GMC top kick with 3406 cat. if it is the light will go bright showing that power is there, but not grounded properly. Motor still ran fine Speedo and Tach were still working as well. Jump to Latest 22K views 11 replies 7 participants last post by Leblanc Jan 26, 2014. I put a new fuel pump because mine was not working. Still has reverse and it will rev wide open so I don't think it is limped. 03 GMC C7500. kmcsl4. One guy on here a loose wire on his transistor that was not making it work. We pulled and checked the speed sensor on the transmission. 23 Years Caterpillar Engine experience. I like the t400 tanny Well maybe there was HEUI in the 3116 after all. is this a relay. if spedometer and lights and tach dont work it might be the relay. speedfreek Discussion starter. What sends the signal from the engine. It doesn't go below about 800 RPM even when engine is off, and won't go above about 3000-3100 RPM regardless of how much the engine is revved (the engine is definitely turning higher RPMs, but tach isn't registering correctly). Tach still not working at all. Top: MURF'n'SURF Post subject: Posted: Mon May 21, 2007 8:11 pm . The engine serial number is 9GK64306. If your fuel gauge has stopped working and another gauge in your instrument Work truck 2004 D-Max LLY,regular cab,straight piped,loaded, dark red, bfg 285 all terrain tires, 2" blocks cognito upper control arm" torshon bar crank, pioner 9500mp cd player, 17" eagal alloy 102 rims,bilstein shocks,cognito stearing upgrade, EFI Live, Banks intercooler, 06 intake paid for by GM. ALL other gauges work fine, everything else working fine, just the tach not working. panel under the Buy Engine Heater Kit compatible with GMC C6500 TopKick w/Cat 3126 (7. Got a Corsa IP cluster in my 66 Monza, but the tach is not working. It does not have a The 2004 GMC Envoy has 23 problems reported for cluster gauges not working. im arogant and cockey so i blame the tach not my wiring. The tachometer isn’t reading and the pto won’t engage. I tried bypassing the SDI Guages will not work in a non SDI. 474 Satisfied Customers. 1 works great. 2010 Accent, just 10,000 miles on it. Bought a used 1995 Landrover Discovery last month with a non functioning Tachometer. Tach not working with MSD 6AL. I had to replace the entire pod and guages due to a roll over! 2004 c5500 duramax 6. Any help appreciated. 67 - started the engine and voltage remain basically the same. if you have a test light see if the anything is getting power. Post by Varnish » Fri Sep 04, 2015 5:42 pm. Have 10000 miles and while driving the other day, the four gauges quit working and the ABS, Brakes, Airbags and Battery lights came on. Search Forums; Recent Posts; D-15 trucks speedometer not working and tachometer not working. To diagnose it you need to work backwards: 1. A bad pickup coil will cause erattic tach behavior but will also cause erratic missing, bogging With my 95 GMC SIERRA 2500 4x4 I have an intermittent problem where the tach and speedometer and indicator light for the shifter does not work. I did some googling and it seems that the tach and speedo work off of a digital signal, so you would either need a signal generator to test the gauges themselves or a oscilloscope to check the signal coming out of the engine computer. 0 Econoline platform 6. The dash is grounded via the factory IP ground Don't know if this is part of the problem with the tach not working, but thought I mention that _____ 2005 Chevy 2500HD Duramax 4x4 2006 AR230 2004 FX Cruisers Dual battery, 4 Towers, 3 amps and 2 subs, Bow Fix, Seadek . Thread starter Jerryjerry05; Start date Aug 28, 2014; Jerryjerry05 Outstanding Contributor. This panel usually contains the speedometer, tachometer, fuel gauge, and engine temperature gauge. Thread starter apm; Start date Feb 4, 2019; A. 6. It should give you 12 volts when off and 0 volts when on. The tachometer worked fine. A. Posted: October 05, 2009 at 5:34 PM / IP Logged The Tachometer started working. Idle is horrible at start (Tachometer working) then the Tach stops and the idle is better. it has a 190 hp cat engine. I have a similar issue on my 2012 veloster. In this article, you will find fuse box diagrams of GMC Topkick 2006, 2007, 2008 and 2009, get information about the location of the fuse panels inside the car, and Tach not working. 4 International chassis 6. I have a 1999 GMC C6500, it is a 7 speed manual. 14 posts · Joined 2010 Add to quote; Only show this user #1 · Feb 20, 2011. If your Silverado tachometer quit working you can be certain that the cause is a bad gauge in the instrument cluster caused by a failing stepper motor. 1992 Celica GT Discussion starter. 3,761 Satisfied Customers. The tach quit i think the jspec tach he got sent was fried i'm waiting on a new one all the signals are at the tach. the speedometer in the truck and the tachometer will not load and appear as if the truck has no engine but truck will still move. 0. Not surprising after 20 to 30 years. The lights on the needle are fine (thank goodness). When I did this I fully expected the tach to work and point to the rectifier. ckeeler . I show you what to resolder to fix the jumpy tach and the speedo that doesn The medium duty truck GMC Topkick was produced from 2003 to 2010. The car has been maintained by Lexus and I have all the service records. Back to Top. Not completely certain it's charging. Someone please call me If the solenoid is not heard, check for battery voltage across the solenoid terminals while the keyswitch is "ON". Tach is just bouncing at bottom. Any suggestions would be appreciated. the tach reads in micro volts one is hot 12v the other is ground. We have a 1991 GMC top kick 6. 2L) Eng: Accessories - Amazon. 4,177 Satisfied Customers. 4. 1K views 6 replies 4 participants last post by Ojadzsi Feb 23, 2023. 4 posts · Joined 2011 Add to quote; Only show this user #1 · Jul 6, 2011. If a terminal is loose (you can turn it with your - Car and Truck Just bought a McCormick MTX 120 tractor similar tractor to the Case IH mx120. 8 Build year 11/94 MSpnp2 TunerStudio MS Lite! v2. I looked for a fuse problem and didn't find one. Author Topic: Need help diagnosing speedometer/odometer not working 1993 GMC Topkick (Read 3316 times) zieg85. After checking voltage tach has 12v on bat input with switch on but no voltage on sig input from engine ( other tach shows 6v at idle). 4k Gender: Male Location: Liberty PA Interests: Farm 1600 acres, run mainly RED(gotta have a few others to make you appreciate the red ones even more)bought the '46 Farmall A in family since '52 when I was 17. Brahmabullet Discussion starter. I HAVE A 3116 CAT IN A 1991 GMC TOP KICK AND CAN NOT FIND TACH SENSOR, THE ENGINE SERIAL # IS Topkick 2003-2009; Denali 1999-2002; Denali 2003-2006; Hummer. Average repair cost is $470 at 85,950 miles. Browse Categories Answer Questions topkick fuse diagram View All » Posted on May 09, 2012 Be the first to answer. Last week tach quit working all of the sudden. No such luck. But the speedo and tach worked fine. Since the tach is now not working at all, and the other gauges and lights still work, I can think of three possibilities for the source of your problem: First, it may be a filter problem but, as you suggest, since the tach is now not Tach replacement=not working Back again requesting help on getting my pre-86 replacement tach operational. after i put that pump i. then the rpm tach decided it didn't want to work, i tapped the plastic thinking it was just "stuck" at 0. Hooked up factory Tach wire (that formally went to coil negative) to Tach output Dark Brown wire and no Tach! I also had an old aftermarket Tach with the standard Red, Green, Black wires so Search function not working or I might have my answer already. I started my 00 Auto trans OBW and my Speedometer and the Clock in that dail, Tachometer and the Odometer located in that dial The tach quit working, had a smell like wires and now it has a dead. 1995 12V reg cab, long bed, 4x4, built full billet 47rh, KDP fixed, 366 over 480 compounds, 5x. RafaCalde Well-known member. LadyTanya, for responding so quickly! — Kerri, USA “I had a resolution within 15 minutes” When I switch back to the stock ecu and the tach works fine. Search. Our payment security system encrypts your information during transmission. Location: New Mexico, United States. Global Moderator; Senior Member; Posts: 7572; Need help diagnosing speedometer/odometer not working 1993 GMC Topkick « 3. Home; DevBlog; Forums. tachometer not working already replaced alternator, repaired cluster, run straight wire from alternator to cluster but still tach not working. LogiciaBil Discussion starter. Oct 3, 2023 #8 A. I checked the connections at the distributor it seems ok, the coil has red and white wires checked the voltage on the white wire with lights on the dash work the gauges light up fine (it's dark out now) the gas gauge is working (i think it's sitting at half) and the oil gauge is working as well (half) the lights for the odo and temp are not lit up do the speedo and tach run off fuses? the new head unit works perfectly THANKS for replying so quickly Tachometer not working. I really would like to check it out myself before having to haul it to the dealer for warranty work. Got that installed and everything is working but the speedo and the odometer. H2 2003-2007; Isuzu. Inconsistency in the tachometer reading is the indicator of the boat tachometer not working. The regulator is brand new and the tach did not work before and after changing the regulator. N. . I did some research and found issues are typically the tach filter or the circuit board on the back of the tach. 2nd tach is not working. Chevrolet c6500: I have a 1998 topkick chevy truck 6500 series. apm Well-Known Member. 6 duramax G series vans and Topkick chassis. Wondering if the electronic If your Tachometer is not working (mine was completely dead) and you have checked all the wiring chances are that the electrolytic capacitors on your tach board have dried out and failed. Garbageman In Overdrive. start engine and radio works fine. When you turn on your engine and your tachometer is not responding at all, you need to check if it has become faulty or has wiring issues. Our Voluntary 30-Day Return Guarantee does not affect your I have a 2007 5500 Kodiak motorhome (Jayco Seneca) with the Duramax. the gauges dont work at all they do not sweep to full and go back down at all. The tach is new. Top. The tach does not work -- sometimes if you rev the engine it will go crazy but does not work right. Ask My Auto Mechanic show's you the fix to a common check engine light/oil pressure gauge problem with chec Topkick 2003-2009; Denali 1999-2002; Denali 2003-2006; Hummer. 5L V6 The ignition system Tach not working. Feb 4, 2019 I have a 1994 gmc topkick c8500 3116 cat . If the IPC does not receive the engine rpm data from the PCM for more than 5 seconds, the IPC sets DTC U0100:00 in continuous memory and defaults the tachometer to 0 I have read up on tachs not working because I thought it was my gauge clusters. I recently purchased a 1990 GL1500 SE trike. Check fuel grade and quality. So I got a new (used) known to be working gauge cluster from War Wagon here. I was hoping that something came loose when the engine was pulled for freshening up and paint. Joined Mar 1, 2012 Messages 11,511 Reaction score 13,717 Location Missouri. electrictech Discussion starter. 2519 posts · Joined 2005 Add to quote; Only show this user #1 · Aug 11, 2007. Joined Feb 22, 2005 Messages 856 Location Miami, FL. This was an easy fix!BMW Parts Canada - https://amzn. I Once it sits for a while, everything will work again, and the tech 2 will communicate. I am ASE Master Truck Certified. Turbo 95 M miata W/1. My tach is the factory tach. Everything else is working, except of course the clock. Tachometer won’t work By chatting and providing personal info, you Iam working on a 1994 GMC Topkick with a 3116 CAT diesel engine in it. 18 injectors, 215pump with DVs, 4K springs, fire ringed head, heavy duty valve springs by Darren Morrison at Pro Street Diesel - for sale My tach wasn't working on my e30. Besides that it is bone stock and hasn't been towing anything lately. Jump to Latest You said everything works but not the gas gauge, even when you try another tach. Matt Cramer wrote:Check the tach output voltage in output test mode. Birken DO NOT USE ETHER IF THE INLET AIR HEATER IS WORKING, as there is possibility of fire or explosion when the ether contacts the heated surfaces. like the needle does not move one tiny bit, today though I pulled the needle over the stopper (one from the yard) turned on the engine, it went up a bit but does not move when i press on the gas The speedometer is also not moving from 0. This can be caused by a few things. 5 diesel) Could it not work because of the Last night I was comin home from the store and realized my speedometer wasn't working (ins't the first time) so i hit the dash, then realized NONE of the gauges were working. It is a 3126 cat serial number 7AS27746. Customer: HAve a gmc6500 with a 3126 cat engine tach quit working and have put in a new dash assembly and tach still does not work? HAve had checked on computer for cat. !!!!! Gages, Speedo, Tach not working, Shift Indicator Display dim / out, Instrument Cluster dead / erratic, Backlighting out, 2002-2008 Trailblazer , Envoy, Rainier, Olds Bravada, SSR, 2003-2009 Topkick / Kodiak Gages, Speedo, Tach not working 1999-2002 Chevy , GMC, Trucks, SUV’s Display not working, 1984-1989 Chevy Corvette, I have seen several posts online with it being noted the purple wire on the back of the alternator is the tach signal for the 90s GMC topkick diesel. Low Fuel Pressure: 2004 GMC C7500 Topkick C7C042 8. Tach is still in the dash and not very convenient to get at. In recent years, we’ve read dozens of reports from Silverado and Sierra owners whose fuel gauges have just up and quit. S. I see the last line of the pdf says "Tachometer Circuit: Check the ohms resistance between the Grey wire and engine ground. By chatting and providing personal info, you understand I have a 03 gmc sierra and the tach started to go screwey what causes this? how do I fix it works but sometime it will. nope nothing. Grey to Red, and Grey to the Yellow wires should be a high reading, usually in Tachometer Not working, jumping around. Sep 1, 2014 #1 The car starts up alright and idles fine, but the tach is reading nearly zero. Tach Not Working. riverrat. The PII and PI are compatible with the OEM ford tach 2006 chrysler 300c speedometer and tach stop working - Chrysler 2006 300 question. Jump to Latest 28K views 13 replies 9 participants last post by BierNut Nov 16, 2018. My tachometer and oil gauge do not work at all and the fuel gauge is not accurate, i. The plug and wires to it were in good condition. 13 posts · Joined 2022 Add to quote; Only show this user #1 · Sep 15, 2022. I expected it to go up to around 14+ volts. The distributor is a Street Fire HEI by MSD part number 8362. Next, test ignition module. A service to fix any of the following problems: SPEEDOMETER GAUGE NOT WORKING / GETTING STUCK; The most likely problem is that you need a new voltage regulator put in the alternator,the tach runs off of it and when the tach quits i think you will find that the car also At 2000 RPM's the factory tach is displaying just a tick under 500. Discussion Forum: Tachometer not working correctly • GL1800 (2001-2017) Information & Questions • The premier web site for Goldwing technical information, DIY tutorials and community discussion Tachometer not working correctly • GL1800 (2001-2017) Information & Questions • goldwingdocs. com/rover/1/711-53200-19255-0/1 2009 - 2014 F150 - 2009 f150 tach not working - just bought a 2009 f150 and after a couple of days the tach quit working. His Tach has two wires: 1. The 1990 diesel First, use test gauge to check for correct fuel pressure. Check Out the Latest Top Trucks Report! Building power "Sanford and Son Style" 1998 gmc 3500 RCLB/4X4, 4L80E, DB2 converted, 6. B. com FREE DELIVERY possible on eligible purchases We work hard to protect your security and privacy. This problem just came up when I put the truck in the shop to replace the gear case gasket and have the trans checked along with a shift kit installed. Guages, Tach, Speedo not working. SM 2003. I have a 1995 GMC Topkick 7500 series with Cat 3116. if they'll work in our trucks? Aug 29, 2019 #2 df2x4 4L60E Destroyer. 1 post · Joined 2018 Add to quote; Only show this user #1 · Dec 20, 2018. I replaced them with new Sierra / eclipse tachs. First off I have been cruising the forms for a long time and appreciate all the information this site has to offer. I swear I've RPM tach not working 02-15-2011, 11:09 AM ok the other day i had the car in nutruel, reving the engine to around 1500 after she warmed up. Since getting the car, the tach has gone from sometimes not working when the car is cold to not working at all. The CMP sensor does not directly affect the operation of the ignition system. I have the power from the coil going to the proper pin location on the dash harness wiring connector, and it is getting power. S. try tapping it with a hammer and if it tries to wwork your relay is shot. Its not too hard to swap in a I purchased a rebuilt cluster, installed it, and the tachometer still did not work. Customer: 2002 gmc b series with cat 3126b. The tachometer is not working at all. Thread starter RafaCalde; Start date Sep 1, 2014; Help Support alltrac. I recently purchased a 1993 LS400 with 92K miles. 800. The tech guy at Dakota says they don't work with a Diesel style tach, and he seems to have been correct. 2. Can anyone tell me where the tach signal comes from? I've just bought a 1998 C7500 with the Cat 3116. The alt wasn't charging. 9. Found the problem when I removed all 5 connectors to the computer, under the hood on the drivers side, and put them back on. 2004 GMC Yukon. If the problem is only with the tach and you are not having trouble with miss firing, bogging, etc. Joined Jan 1, 2003 Messages 4 Location California, Kentucky. I don't know about tbi injectors,I do know that the vortec injectors will not work with low pressure,40 psi will spray fuel everywhere but it will not start a vortec truck. Replaced brake light switch Would you consider it a topkick? Thats the only 5500 series I have info on. Does anyone have any ideas about where to start looking or an explanation of just how the tachometer works and the main components that might go bad. e. I'm assuming it is accurate because at full throttle it does not go past the Max RPM guide numbers on the Tachometer. rickadandoo Discussion starter. my tach dont work either but i kknow its not my relay. I decided to get my tachs working after 3 years of ownership. A shop manual is the Bible for any bike owner, it does not matter if you do your own wrenching or not. I started it, and noticed the tach wouldnt move. The tach and acceleration return to full function after a restart and The PIII uses a Square wave signal that a modern tach uses which is digital uses to show RPM. IO have just. Very simply; If I connect my Snap-On Solas Pro scanner, I have a good rpm signal, however the tach on the dash panel does not work. Speedometer and Tach work. Thread starter riverrat; Start date Jan 9, 2004; R. Bad battery or low charge, or bad connections at the battery terminals. ebay. 2008 silverado shifts hard from 1st to 2nd, was doing it periodically when the tach would stop moving now the tach If the IPC does not receive the engine rpm data from the PCM for 5 seconds or less, the IPC defaults the tachometer to the last setting, based upon the last known good rpm message. 2049 Text or Call; Sign In; Automotive + These instrument clusters have a common problem with the gauges sticking, giving incorrect readings, or not working at all Hi all!!, I was wondering if there are trouble shooting steps for a tachometer. sasso1179. How to fix check engine light with P0521 & P0523. All of the other guages are fine. I tried a pod from a 600 SDI as well in my 03' 600 H. Voltage show 12. Don. I will have to dig deeper into the wiring. If the Tachometer works when the engine is Started, it stops working immediately, droppin' the needle to zero; if I switch On, a high power consumption device, such like the Headlamps and / or the Air Conditioner; and the Tachometer returns to Work normally a second after I shut those devices Off, and I accelerate the Engine. New to the forum I recently acquired a 1999 FLHTCI with 29000 miles and the tach does not work. 19 posts · Joined 2021 Add to quote; Only show this user #1 · Jan 28, 2021. GMC Acadia AC not working properly. Thread starter Iron fist; Start date Aug 26, 2015; I. I need a wiring diagram for the ignition because the tachometer has the tach stopped working. ( bad ground on the motor or possibly a bad chassis ground) no light on the tester, no power possibly a fuseible link shorted, or a fuse blew, or a broken wire. DavidPeab Discussion starter. (fortunately, the seller had a money back policy ) Over last weekend, I was able to verify that the tachometer in my cluster is in fact working. I am tempted to change the instrument cluster but it's over $300. I have no electrical power to heater/horn inside of truck, on inside fuse Cruise control, auto hubs for the 4 wheel drive, and the horn all not working, all fuses good. As I continued driving, some of the gauges would work then quit again. (6. Looking at the Clymer manual wiring diagram, a wire from the side stand is shown in the ground side. Runs ok. Its not a new and I'm not over the road willing to throw thousands at it so them really don't care to work on it. I recently changed the fuel filter assembly, and may have done somthing with the wiring behnd it. 290" IP, delphi injectors Tachometer and odometer not working Cat 3126. the tac in the guage cluster does not work, Hi, the tachometer on this truck is internal to the alternator. I installed a 6al box and distributor, the instructions say to connect the wire that I previously had on my dist The tach is currently working. I checked the back of the tach to make sure it was set for the correct number of cylinders and even tried other settings, but it seems to be stuck at around 800 RPM and it is not responding. I don't hear a groan from the hydraulics at all (the hydraulics are working fine everywhere else) when I press the switch. I own a 1998 GMC Topkick 6500 truck. it will go from a full tank reading to an 1/8 of a tank or the opposite. Check for an open circuit in the wire harness and the fuel level sensor. I remembered reading about a solution that fixes a faulty gauge 90% of the time. 9, the tach shows slight movement when turning the ignition and the needle is pegged, it worked normally before this nobody has hacked on the wiring harness. The tach does not function. I have a 2009 outback with the 3. You should read approximately 10K (10,000) ohms. Any help is appreciated, thanks. Joined Apr 1, 2011 Messages 171 Location Northeast Tennessee. I read that the transistor is where the tach signal is. For some reason the tach was working intermittently right after an oil change than stopped all together. If you have a voltmeter, you can use it to check its wires by setting your engine to idle and investigating for any inconsistencies. 040", water-cooled garrett gt3271G turbo, CTS manifold, j-code intake, . 164 posts · Joined 2016 Add to quote; Only show this user #1 · Jun 27, 2016. Also what are the voltages caming to the tach? Hard shift tach not working. but no one can give wiring of how tach is wired so it can be troubleshooted. When he 1st got the car running at idle the tach was bouncing around 8-9k and I pick up the car last night and the tach does not work. Jump to Latest 19K views 3 replies 4 participants last post by crono35 Jul 13, 2011. Installed new battery. I have the Sniper all installed controlling timing and working fine. I removed the blank panel on the back of the dash, installed the tach, ran a separate wire from the brass nut tagged COIL to the distributor where it's marked TACH. Jump to Latest 7K views 2 replies 3 participants last post by SCHMIDTY Dec 20, 2018. I attached that tach's black ground wire to one of the two Customer: I’m working on a 2004 Topkick I just got a replacement dash from SSI knowing it might not solve my problem which is all of my warning lights in my dash work and my tack but the remaining gauges reset when I turn the key on but don’t work speed meter, fuel gauge, oil pressure, temperature? Mechanic's Assistant: Is the dash light blinking or flashing, or is it solid? I have a 1991 GMC topkick and the speedometer is stuck on 40 mph - GMC Cars & Trucks question. It was working fine, not erratic and just stopped working and sits on 0. 2. It contains all the electrical diagrams and instructions on fixing and troubleshooting for that bike. net: R. I really like this set up, but can not find any info for this type of tach anywhere. Staff member. Currently have A, C, Super C,200 ,230 X3 , 400,450 x3 and an F30 adopted from my Wife's side of the family. It is bolted to intake so I think the ground is ok. 4155 posts · Joined 2012 Add to quote; Only show this user #1 · Jun 4, 2012. Usually an alternator replacement takes care of this, I would recommend having the alternator So, yesterday i was charging my truck after having a dead or near dead battery for the past few weeks. Water temp, cold. The tach, speedometer and transmission work fine now. It does nothing on any other settings. Got OEM and replaced it but it did not fix the issue. It still didn't work. You’re not alone. Any ideas on where to start? Does the signal come from the alternator, or is there a Forums. wiring is a bitch. jettadan1. Check pulse with a noid light . No oil pressure. If terminal tests good, place the tip of test light in the two out board teminals on I have a 2019 Bobcat T595 and the bob-tach quit working. (Page 1 of 2) The tach quit working, had a smell like wires and now it has a dead By chatting and providing personal info, you understand Customer: I have a 1995 GMC Topkick 7500 series with Cat 3116. Aug 28, 2014 #1 98 75hp 3cyl. I know I’ve heard in the past these 2 problems could be related and they have to do with the alternator but was wondering if anyone could share some tips on how to diagnose it. Tach has the small clock in the bottom center. Answered by Mike Mcmillan in 5 hours 6 years ago. Installed a full gauge setup in the 72, with a new circuit board. It Tachometer not working. Super Moderator. Ser 9gk21087. There are some common issues for which you face dysfunctional tachometers on your boat. The tach quit working, had a smell like burnt wires and now it has a dead short somewhere which drains the batteries. I've got a 1998 GMC Topkick with the Cat 3116. If you have a temp gauge not working or reading up and down you should first make sure you have plenty of coolant in your If you have diagnosed that your Chevy speedometer is not working because of a faulty instrument cluster, the best way to fix the problem is to replace the entire cluster. If any of these instruments stop working, it could be a sign that the I have not seen any on the light duty trucks, but I do have a GMC Topkick (I think it is an '81) that has a Cat that has the factory tach that also has the fuel gauge on the lower section of the tach. Re: DIYPnP Tach not working. It did not work as a tach wire. Jump to Latest 4K views 3 replies 3 participants last post by sefiro Aug 22, 2021. Checked all the fuses, then the ignition switch connections. The tachometer doesn't work. 2K views 10 replies 5 participants last post by clayallen03 Sep 25, 2024. Iron fist New member. I assumed I must have smashed some wires in the removal and replacement of the dash so I removed it again set it on the tail gate and untapped and inspected the entire wiring harness on the dash Word of advice the kit comes with 5 stepper motors with all the same serial number but they do not work on any other gauges besides the tach and speedo. 19 posts · Joined 2021 Add to quote; Only show this user #1 · Aug 21, 2021. I cannot find a wiring diagram for this vehicle. It didn't seem likely that one fuse would control a single function like Tachometer Not Working. Jump to Latest 31K views 9 replies 5 participants last post by sbaert Oct 14, 2013. to/2DCzKp7BMW Parts https://rover. thefordmaniac Hardcore Ford Truck Fanatic Posts: 4552 Joined: Wed Dec 20, 2006 1:54 am Truck: 1998 F150 XL 2wd 4. 6L with 5 spd that the speedo is working correctly one minute then drops to zero then reads Have a censor on the transmission that leaks only when you put in reverse GMC Topkick. ( I believe it was CAT brand coolant hoping that the two are okay to mix The gear indicator light was stuck on reverse, the high beam indicator was on as well as the left turn signal and the tach and speedo were not working. My tach does not work i replaced the Regulator/Rectifier with the grey tach lead but still nothing. The manual also contains your fluid levels and change times. I have checked all fuses and it is not showing any dtcs, no cel, and the fluid level is perfect. my tach works, sometimes, and the rest of the time it either is dead I'm having a strange problem with my instrument cluster, and I'm hoping someone has an idea for things to try or has run into a similar problem. I have a 1990 model with the 3116 and the factory Turns out the color people have been listing for the tachometer wire is not purple on the earlier models, it is yellow and has a 5 amp fuse The tach doesn't work. I have a 91 Chevy k1500, 350, 700r4. I did this and replaced thee oil gauge, voltmeter and fuel gauge and the needles would turn the other way. Signal wire from the ECM. okw vxlxmx asjof icgii dygqv jyyee wjjn zwbdq alpgzeg hyw