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Re: Jumping Temp Gauge (archive)
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Posted by o2fan on April 30, 2000 at 22:35:35:

In Reply to: Jumping Temp Gauge posted by Dan Mcginn on April 30, 2000 at 09:50:27:

Check the archives but here is the skinny.Temperature gauges in 02s are infamous for creeping or jumping gauge readings due to bad grounding. Other symptoms include gauge movements when turning on electric fan or headlights. First check the obvious thermostat and no water. Then ensure the battery, engine block, and alternator are securely grounded. Most important, the instrument cluster should be grounded. The common well proven old timer 02 solution is to make a ground wire that connects the two temperature gauge rear holding nuts and the back aluminum panels of the instrument cluster. A good connecting ground point is the cigarette lighter using a dual spade connector.
All your ground gauge problems will go away!


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