Question about 2005 Hummer H2

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My fuel gauge and tach guage stopped working

My tach is stuck at 6 rpm and my fuel gauge is stuck past full

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Look on ebay for instrument clusters. There are a couple of guys on there that repair them. The cost is reasonable. I sent mine to a guy in Oklahoma, he replaced all of the stepper motors as well as the light bulbs for a cost of about $65.00.

Posted on Jan 15, 2013

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Posted on Jan 02, 2017

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Related Questions:

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Instruments don't work, key stuck in ignition, doesn't shift correctly


Sounds like you need a new car.
With joking aside, the problem with your speedo, tach, gas guage, temp gauge and odometer can probably be one of two things. Check your fuses. If they are fine you may need to replace your cluster panel. I had to have the entire thing changed over my speedo not working right. It was not cheap. You might want to check the relay box under the hood. Does your transmission leak? Check the fuses and relay on it also. Get a new ignition switch and replace the old one if your key is stuck. You can try WD40 on that key but don't expect any miracles. The bearings are likely shot. Sorry I posted all of this bad news. Good luck.

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Gas gauge and tach do not read proper readings! What will cause this? The gas guage will peg past full when there is only quarter tank and tach reads 4500 RPM at idle


The gas tank sounds like a bad ground usually located under the car at the gas tank. I do not know but maybe they both tach and fuel gague get their ground from the same place.

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Chances are its not the Tach. Look over the wiring to the tach. Its it brittle about to crust off? Is it shorted to ground? Now that would pin it. Check its connections off the coil. Engine side of this item is usually where you'll find the problem. This is nothing new with a vette definately not serious. Remember the tach responds to electrical signal it gets. Before you do the surgery on the gauge itself make sure nothing is shorting this out.

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05 Duramax with approxamately 160k. About a year ago the speedometer went haywire jumping all over the place and now is stuck in the corner. A few months later the tach. did the same thing but now it works...


there is a problem with the guage cluster units in these trucks, it has to be changed at the dealer because they need to reprogram the mileage. on certain vehicles, there was actually a recall / hidden warranty, so make sure you look into that.

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HAve a 2003 Chry. Town & Country, 124K. The


Try output sensor for the transmission (it is similar to a vehicle speed sensor), these can control the speedo and shifting. Not sure if it does anything to the rpm guage, but very possible.

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1 Answer

For the past year, my gas gage needle has not moved off of 3/4 full. Just lately the RPM gage has stopped working on my 2004 Buick LeSabre. How do I get them repaired or replaced?


the 2 problems are not related, the gas gauge problem is caused by a defective gas tank fuel level sending unit, here is the part number for that.
ACDELCO Part # SK1030 {replaces 25326326 #25326326, 88963639}
SENSOR KIT,FUEL LEVEL SINGLE PRONG LOCKING FEATURE W/O LOOSE CPA CLIP $144.00

AS FAR AS THE TACH GOES YOU WILL NEED TO PULL IT OUT AND HAVE IT REPAIRED BY A DELCO ELECTRONICS AUTHORIZED REPAIR CENTER.

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Gas guage, tach problems


This is an INSTRAMENT CLUSTER Problem, I Have Seen it Before,
Be Sure of IT's CONNECTION and if thats Not it Swap the Cluster.

Sep 13, 2009 | 2005 Pontiac Sunfire

2 Answers

Fuel gauge problem


sending unit on the fuel pump in the tank is stuck, and needs to be replaced. its expensive, but that will fix your issue. its the housing around the pump that has the float arm on it. you can try to free the float arm by removing your pump assembly, but cant guarantee its any good after being stuck

Mar 09, 2009 | 1996 Chevrolet K1500

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2005 pontiac sunfire


I have the same problem.. i installed a toggle switch for the fuse so at least I can reset it while driving.. its still a pain so Im thinking my next step will be to drill a hole through the plastic and put in a small metal post to stop the tach from going past 7

has anyone taken theirs into a shop?

Nov 28, 2008 | 2005 Pontiac Sunfire

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