gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Temperature Sensor (Gauge) > < Circuit Operation
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Temperature Gauge: Description and Operation
General Description

The coolant temperature gage is an electrical gage which measures current from a water temperature sender in the cylinder head.  The 6.5 liter diesel has
the coolant temperature sender at the front of the cylinder head. 

Temperature Sensor (Gauge) > < Circuit Operation