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Old 01-14-2010, 03:51 PM
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Default Temperature gauge not working

2005 Jimmy - temp guage stopped working the other day. Still getting good heat to cab (winter). Probably some open wiring somewhere. Can anyone tell me where the sensor is on the engine (near thermostat?) so I can start tracing back to firewall?
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Old 01-14-2010, 07:24 PM
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The temperature sensor itself may no longer be working. It is located near the thermostat on most engines and is cheap to replace.
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Old 01-14-2010, 07:37 PM
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For your year 05 it will be located on the drivers side cylinder head between the back 2 spark plugs, on earlier years like my 97 there was also one by the thermostat but that was for the pcm and not for the gauge, on your 05 there should not be one by the thermostat as that was eliminated as the one in the cylinder head is now used for the pcm and the gauge
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Old 02-12-2010, 12:39 PM
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Thanks, appreciate the response.
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Old 02-12-2010, 12:40 PM
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Thanks Nvidia78, will check it out.
2005Jimmy
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Old 02-12-2010, 03:35 PM
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You can see if the gauge is working by taking the wire off the sending unit and connect it to ground with a jumoer wire. Then don't start it but turn the ingition switch on. If the gauge starts moving up the gauge should be ok. Only do this long enough to see if the gauge moves do not leave the switch on for very long.

Assuming the wire is not broken or disconnected it may just need a new sending unit.
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Old 02-12-2010, 03:35 PM
 
 
 
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1992, 2000, 2001, 97, blazer, chevy, cutlass, engine, gauge, inop, s10, supreme, temp, temperature, working


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