Re: TEMP GAUGE PROBLEM '69 LM-1 Camaro....HELP!
If one wire to the sending unit and grounding the green wire pegs the meter to hot, measure the resistance of the sending unit body to the block/head and back to the gauge return terminal, should be less than a couple of ohms.
Sending unit should decrease in ohm value as it heats up, from terminal to body.
Have a variable resistor, 0-5K or 0-1K? Substitute the sending unit to see if gauge works correctly.
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