Temperature gauge does not work on my 1970 340 Duster ?

Mike69cuda said

It was just a guess on my part, but seems like when wierd things happen that don’t make sense, a lot of times it is a ground issue.

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I agree, and that is what I suspected a bad ground...I will pursue the gas gauge prob and maybe it will lead me to the rootcause of both probs? thanks for your input.