Reply to "Seeking advice regarding how to trouble shoot a temperature gauge that doesn't work."

rockyMember

If you are just troubleshooting to see if the problem is in the gauge or the sender...

Pull the wire off the sender and connect a 50 Ohm (or 30, or 20, or 100 Ohm, whatever is easy to find) resistor via a wire with alligator clips to a good ground in the car.

Your gauge (if working) will swing to full scale (or close to it).

Go from there. It's a pretty simple - low resistance = higher temperatures.

Good Luck -

Rocky

PS> Data from SOBill, at Pantera Place.

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