I think I have a bad ground on my dash cluster. My heat gauge is over the top, fuel gauge is all over the place and my speedo sometimes climbs over the top. I also get shocks exiting the vehicle. I need to know where to start looking for the ground points. Thanks
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Lose connection maybe , pull instrument cluster an check power an ground circuits . What year ,make an model vehicle . You also should have BCM an instrument cluster checked for DTC'S - diagnostic trouble codes . The instrument cluster has a microprocessor inside an is connected to the vehicle serial data communication network . The instrument cluster could also have bad solder joints that will cause this type problem after it heats up. Chrysler vehicles are one of the top offenders for this problem ,but can happen to any make vehicle. Newer vehicles have C.A.N. controller Area Network ,a serial data bus . How to Diagnose Controller Area Network CAN
I think you may have gotten bad advise. If the ECM was not grounding, it would affect more than just the dash gauges. Check wiring where it plugs into cluster, fuses and try tapping on cluster to see if circuit board is perhaps cracked.
Hello it sounds like a ground or connection problem to you dash cluster. I would pull the front driver side dash board appart and unscrew the the instrument cluster check wiring for being loose or corroded at the plugin. if that checks out good no corrosion the instrument cluster itself might have a problem. I seen the instrument cluster go bad before that is probably it.
Before you start your van, and the key's are on accesory. Does your needle move? If it does, your gage is good and you have a bad ground or wire harness. Worst you could have a bad sending unit and that is in the gas tank it self. Start with checking all the wire connection. Good luck.