Hello everyone.
I have a coolant temp gauge problem. I just noticed this today after about 5mins of driving. The needle hadnt moved off 100degF. I think I know what the fix is but I wanted to post and find out any more info. I know there are 2 senders. One to the comp, and one to the gauge. If I replace the gauge sender I believe this will cause the gauge to work correctly. The car ran fine the whole time the gauge didnt work, but Im not sure if the fans cut on or not. Anyway, let me know if I have made a wrong assumption, and any other info would be a great help.
Thanks again,
Bryan

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1991 Z28 305 TPI, Auto, T-top, bone stock, for now

 

Actaully the sending unit for the gauge is in the drivers side head. Not a very expensive part either good luck.

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I WOULD RATHER PUSH A CAMARO THAN DRIVE AN IMPORT

1983Z28
Superramed roller 406 10.5 compression, AFR 195's and custom cam.

future mods:
N20 waiting to be installed

Wifes new car:

1995 Z28
AT, leather, T-tops bone stock for now. 250 RWHP 300 RWT 14.0 @ 99 MPH on a 2.2 60'

future mods:
header to tailpipe replacement and a cold air intake. Then I am just going to leave it alone (maybe)

 

On the driver side is a single wire that leads to a sender in the head. Remove the wire and see what the gauge reads. It should be pegged at the lowest point. Ground it and it should be reading at the highest point. If it does this, probably the sender. If not, I would suspect the gauge itself.