Probably, but man theres a lot of crap under there. I don't even know how to begin to trace it down. On some cars if you cround the connectors for the gauges they max out. I wonder if thats the problem here, something is grounded at the instrument.

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1984 300SD Orient Red/ Palomino
1989 560SEC
2016 Mazda 6 6 speed manual
1995 Ford F-150 reg cab 4.9 5speed manual