Temperature Gauge: Testing and Inspection
DIAGNOSIS BY SYMPTOMFig. 104 Chart 2: Engine Coolant Temperature Gauge Inoperative Or Inaccurate:
1. ENGINE COOLANT TEMPERATURE (ECT) GAUGE IS INOP. OR INACCURATE.
2. ENGINE COOLANT TEMPERATURE, AND FUEL GAUGES ARE INACCURATE.
Connect a jumper wire from a good chassis ground to instrument Cluster connector terminal "C4" and connector terminal "C10". If gauges are still inaccurate, service instrument cluster. Testing and Inspection