Question about Chevrolet Silverado 2500HD

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All Gauges in in.strument cluster go dead while driving. then come back on for no aparent reason. The problem seems to be occuring more often lately.Almost like a bad electical ground. My truck has 91,000 miles. Dealer says $400.00 + for repair.Works well when its working.Checked fuse. any ideas? Thanks Steve K.

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You may want to check the wiring or wiring harness at the back of the dashboard if it is loose or the ground connection is loose. Check also for corrosion on the wire insulation or cuts in the wire.

Posted on Jul 30, 2009

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1 Answer

All gauges on cluster are dead?


no year stated, a 1993? Why must we guess this?
the cluster has 2 fuses, so .. check them yet?
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I have a 2003 Nissan Sentra and while driving the instrument cluster will go dead no speedometer, tachometer, gauges, warning lights or cruse control.


Two things. The ground wire from the cluster is loose or the power wire to the cluster may be loose at the connector.

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.Why would the gauges not work


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old post. fuses (2) blown makes whole cluster dead
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A mechanic would test the power and ground circuits at the cluster plug, but it may be tough to fix if you can't make the problem happen on demand.

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Ford bantam rocam 1.6i speedo,temperature gauge and rev counter not working


Sometimes when the batery of vehicle goes flat or when u fit a new car batery to the bantams they love to give that problems like gauges not working rpm not working speedo not working and cluster display is dead, u disconect the batery termanils and for example fit positive termanil and arc. Or short til that blue spark occur then u swop around negative on and arc positive,leave the ignition switched on arc til gauges move!! Don't ask me why but that happend to me! A autoelek friend of mine showed me this! NB don't tri this with vehicles with a lot of elektric featers it can cause demage to ecu (engine control unit)

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While driving the speedometer, the brake light and the abs light comes on the speedometer stop working on my 2006 five hundred


I had this same problem with my 2006 Ford Five Hundred. The instrument gauges would all fail and go to zero for a few seconds and then come back on as if nothing happened. During this issue, the reverse lights and "idiot lights" would also come on.

Everyone told me it was bad cluster gauges, so I replaced them and it was not the problem.

There were several cracked/broken wires leading from the main computer of the vehicle to the charging system. The delearship found the broken wires and it cost me $ 190.00 to have it fixed and the car now runs great, no more failure of the gauges.

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1 Answer

Occasionally the instrument panel gauges stop working while driving ...it seems like they go back on if I hit a bump in the road. Also today...my front wipers quit working for no reason. Checked...


Its most likely to be a cold soder in the instrument cluster itself. Most of the time the cold soder is right where the cluster plugs into the vehicle. If you take it out and resoder all the pin most the time that will fix it. Or you can just go to a salvage yard and get a different one and change it. Good Luck and if this helps 4 thumbs up is appreciated.

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Info cluster including gauges are dead. fuse checks good


Is the cluster completely dead or is it a problem with the gauges only? If the entire cluster is dead it could be a cracked circuit board.Another posibility is a bad ground. This is known to occur in the 99-02 Silverado clusters and the 03-06's but not as many.

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Intermittant instrument cluster


The body controller (BCM) must send a message to the engine controller (PCM) to tell the PCM that it's OK to start and run when a theft system is involved. As long as the OK-to-run signal can make it to the PCM, all will be well.

But during the times when the gauges are flat, the bus communication system is probably crashed and there's no way to deliver the message. The PCM has no recourse but to disallow fuel at that point, killing the engine. The only thing that doesn't fit is that the starter isn't taken away at some point, but it may be something that doesn't happen in every model year.
The solution is with the communication bus, the CCD. It operates on two circuits, 2.5 volts each and connects to every module on the van that needs to share information. The instrument cluster printed circuit board is actually much more than just a board, it's a processor in its own rite. It controls gauges, telltale bulb illumination and supports the CCD bus both through voltage regulation and supplies the point of circuit termination (ground). The termination seems to be the key. Without ground, the bus voltage is pushed far above its normal 2.3 to 2.5 volt range, into the 7-volt area. Bus communication depends upon a voltage matrix very close to 2.5 volts, so this effectively crashes the network. Everything becomes a zero. One very good diagnostic tool for when the system crashes is to apply a firm, open-palm slap to the dash just above the instrument cluster. Works almost every time. While the problem can be temperature related (parked in sun), a good jolt usually brings it back online and allows the van to start and run. It seems ham fisted but it's almost impossible to diagnose by disassembly. The act of touching the area around the cluster normally brings it back and you're faced with the question of whether it was coincidence or not. I prefer the slap. Testing the data link connector (DLC), the trapezoid-shaped connector under the left dash area, will tell you if the bus is crashed or not. The third terminal from the left on each row (8 apiece) is CCD bus. Remember that 2.3 to 2.5 volts is normal while the key is on and the bus is active. You should see the voltage dancing, varying rapidly in response to data transmission if tested with a digital voltmeter. Anything above this is likely to be FAR above, indicating a slap is at hand... you know what I mean. The board isn't cheap... close to $450 and it requires a calibration before the tach or speedometer will operate. This may involve a trip to the dealer; I'm not sure if aftermarket scan tools can accomplish this task. Labor to install a board can also vary according to your repair facility.

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