Troubleshooting Thomas gauges
Hello fellow travelers,
I have a 2007 Thomas MVP saf-T-liner with a 5.9 cummins. It has the round gauges that are daisy-chained together. I’m told that if 1 of the data wiring goes bad it will effect all gauges downstream. All the gauges in this series aren’t working and I’m curious how to differentiate between if it’s bad wiring, bad gauges, or bad source on the back of the circuit board. Anyone have any recommendations? Thomas quoted me $350 for the gauges! (Engine temp, oil pressure & tachometer.) Also, I’ve read that Cadillackid is using an interface for gauges and I like this idea very much. Will y’all throw any and all recommendations my way to delete this cluster and switch to a digital display? TIA
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