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14hatchie · 11-13-2013, 09:34 PM

I was using the factory gauge then installed a aftermarket gauge and they are both doing the same thing. I haves used 2 different thermostats and they are both opening and closing.

11-13-2013, 09:34 PM	#10
14hatchie Registered User Join Date: Feb 2011 Location: brownsville tennessee Posts: 37	Re: 1987 GMC Jimmy Temperature Problems I was using the factory gauge then installed a aftermarket gauge and they are both doing the same thing. I haves used 2 different thermostats and they are both opening and closing.