[67chevemall]

Originally Posted by Steeveedee

I'm guessing that when you turn the key to the "start" position, the temp light doesn't light? I never use Teflon tape on sensors that work by grounding. Though I think that there is a circuit on the "start" side that only tests that the light itself works.

That's right. I get no light when starting. If I ground the wire to the block with vise grips it works when in start.

I am thinking bad sensor, wrong sensor sent, or the plumbers tape....but not sure with electrical