my gauge light and interior lights dont work and my temp does not work. does anyone know as to why it is not functioning?

Check fuses. And if all are good, pull the gauge cluster and dissassemble. Look for burnt circuits on the circuit board. Have they ever worked? What has changed?

Glenn

everything at one point worked and things started to go bad slowly 1st the light the gauge. speedo works and pressure and clock and fuel but not the temp.

My temp gage just started acting up--jumping around, irratic readings until I'm driving like normal rpm. Then it level out to a constant 90 degrees or so. I'm thinking it is one of the wires that is in the harness that plugs into the back of the instrument cluster. Trying to trace it down, but it might be your problem, too.

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Rev. Dr. G. Church of the SubGenius
It doesn't take a genius