Hi everyone,
I have a 69 C-10 and I get no temperature gauge reading. Do I only have to test the sender and the gauge?

How does one test a temp sender and temp gauge?

Or should I just buy new ones?

Any help would be appreciated.


69 C10 LWB 250 L-6/3spd
79 C30 Crew Cab Dually 454 V-8/TH-400

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