Wonky Temp gauge

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kenh

I see nothing I hear nothing
Joined
May 22, 2020
Messages
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Location
rockwell, ia
I have the moonie gauges in my 90. I was sure the temp guage was bad as it would not indicate at all. Grounding the wire at the sensor did nothing.

The other day the gauge started to work for a couple days and then quit again. It's been an on and off thing for a week now.

I am assuming I have a bad ground someplace??? I cleaned up the grounds under the hood. Moved the battery ground from the frame to the engine block and added a third ground wire from the engine to the firewall for good measure. (the starter works much better now)

There must be a ground in the instrument cluster that is poor??? Maybe inside the temp gauge itself????

Any thoughts on this issue?

Thanks! Ken
 
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