temperature sensor - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Longhorn Man · 07-02-2002, 08:48 PM

Hi there, just passing through from the 67 - 72 board....
If the guage stays pegged while the engine and ignition is off, your guage will more likely than not, be the problem.
However, if the guage goes down while the ign is off, and it pegs when you turn it on, then you have a bad wire that goes to the temperature sending unit. Look real carefully at the wire onvce you find it. Trace it to the firewall. It'll probably be melted to an exhaust manifold, or posably dammaed somewhere else.
I also agree about the aftermarket guages. Even the lower cost ones will be more reliable then your old stock ones ever were.

07-02-2002, 08:48 PM	#1
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Hi there, just passing through from the 67 - 72 board.... If the guage stays pegged while the engine and ignition is off, your guage will more likely than not, be the problem. However, if the guage goes down while the ign is off, and it pegs when you turn it on, then you have a bad wire that goes to the temperature sending unit. Look real carefully at the wire onvce you find it. Trace it to the firewall. It'll probably be melted to an exhaust manifold, or posably dammaed somewhere else. I also agree about the aftermarket guages. Even the lower cost ones will be more reliable then your old stock ones ever were.



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