Question about 1992 Chevrolet C1500

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Temp gauge bouncing

Temp gauge not steady

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First, try checking the connections behind the dash that link together at the temperature gauge and make sure they haven't torn or ripped. If that doesn't help, then check/replace all the sensors which relate temperature to the gauge, ie: air temperature sensor, coolant temperature sensor, etc...Hope this helps, good luck.

Posted on Oct 24, 2008

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morse008
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SOURCE: 2004 Nissan Maxima temp gauge fluctuation

well the temperature control gage is connected to the engine block and consists of 1 wire for the reading of the motor heat either the sensor is going bad or you need to check your coolant levels in the radiator make sure the engine is cool before opening the thermostat cap to the radiator so not to get burnt ...also make sure the wire itself is not grounding out on the engine block to give the gage to give such a readout look to the engine and usually on the drivers side lower the plug wires you should see a plug with a wire coming from it ensure the wire is not rubbing on anything .

Posted on Oct 02, 2009

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Temperature and depth reading is bouncing around all over. Is that something I can fix???


Popular Mechanics - Jan 1961 - Page 139 - Google Books Result

https://books.google.com/books?id=XNsDAAAAMBAJ
Vol. 115, No. 1 - ‚ÄéMagazine
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