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Home >> Geo >> 1992 >> Tracker Base, 4WD, Automatic >> Repair and Diagnosis (Single Page) >> Electrical >> Gauges >> Instrument Panel >> Testing >> Temperature Gauge & Sending Unit >> Tracker (Gauge Reads "H" At All Times)

Tracker (Gauge Reads "H" At All Times)

  1. Disconnect coolant temperature sending unit connector. If gauge reads "C", replace coolant temperature sending unit. If gauge reads "H", disconnect 10-pin instrument panel cluster assembly connector. Connect an ohmmeter between connector terminal No. 1 and ground.
  2. If resistance is infinite, check instrument panel cluster printed circuit for cracks or poor connections. If resistance is less than infinite, repair short to ground in Yellow/White wire.