Temp gauge

Chipstone · Jun 29, 2015

I have a 72 Ford bronco. The temp gauge warms up to normal and then falls right away to cold again. I have changed the sensor and changed the wire leading to the sensor. All other gauges work fine can someone help me please.

Chipstone · Jun 29, 2015

I also grounded the wire and it pegged out so I know the gauge works any ideas

Chipstone · Jun 29, 2015

I'm assuming the gauge is bad.

Bully Bob · Jun 29, 2015

You may need to clean the threads (in the manifold) at the sending unit.

I don't know why but sometimes teflon tape also, can interfere with a good ground @ screwing in the sending unit.

If the gage pegged due to grounding wire, the gage is likely good.

However, don't hold the wire to ground much more than a momentery touch.

Chipstone · Jun 29, 2015

I don't have Teflon tape on it. Thanks for getting back to me.

Bully Bob · Jun 29, 2015

You bet.., & welcome to BZ..!!

Also with the ChiComs making so many parts/things these days.., you may have bought

a falty sender.

Chipstone · Jun 30, 2015

So any ideas of what I should do next.

Bully Bob · Jun 30, 2015

Take it (temp. sending unit) back & tell them it doesn't work.

Did you check/clean threads...? --- see post # 4 of this thread ---

Temp gauge

Chipstone

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