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Home >> Geo >> 1994 >> Tracker Base, 1.6 6, RWD >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Panel >> Testing >> Temperature Gauge & Sending Unit Test >> Gauge Indicates "C" At All Times

Gauge Indicates "C" At All Times

  1. Unplug coolant temperature sending unit connector. Connect a fused jumper wire between connector terminal and ground. If gauge indicates "H", replace coolant temperature sending unit.
  2. If gauge indicates "C", unplug 13-pin instrument panel cluster assembly connector. Using a DVOM, check resistance between connector terminal No. 13 and ground. If resistance is greater than 3 ohms, repair open circuit in Yellow/White wire. If resistance is less than 3 ohms, check printed circuit for cracks or poor connections. If printed circuit is okay, replace gauge.
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