Re: Temp Gauge issue
Very easy to probe the Teflon tape doesn't affect the readings. Install it with tape and check the resistance between the housing of the sending unit and engine block. It will read 0 ohms. if the tape isolated the sending unit the gauge would read cold all the time. Don't believe me? Unhook the wire to the sending unit and run the engine, your gauge will read cold.
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Terry
1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC
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