gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Temperature Warning Lamp/Indicator, Engine Cooling > < Diagram Information and Instructions|Page 1861
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Temperature Gauge: Testing and Inspection

Fig. 3  Temperature Gauge Diagnostic Flow Chart

    Tester J24538-A or equivalent must be used to diagnosis a temperature gauge malfunction. 
    When troubleshooting temperature gauge refer to Fig. 3 for diagnostic flow chart.

Temperature Warning Lamp/Indicator, Engine Cooling > < Diagram Information and Instructions|Page 1861