I have a water temperature gauge that is not working. on 1991 Ford F-250

The oil pressure and battery volt meter gauge work fine. I was told that these gauges are all on the same fuse. The heater works fine so I don't think its a bad thermastate. Any advice would be very helpful Thank You

by in Indianapolis, IN on October 29, 2012
2 answers
ANSWER by on October 29, 2012
Check the coolant temperature sending unit on the engine, it might be unplugged or defective. You didnt say which engine is in your truck. If its a 4.9 6 cyl its near the last intake plenum runner, if its a V-8 its on the left side of the intake manifold near the distributor.
ANSWER by on October 29, 2012
hello sailboater, i would replace that CTS so you can be aware of your engine temperatures...

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