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Metro (Gauge Reads "H" At All Times)

  1. Disconnect coolant temperature sending unit connector. If gauge indicates "C", replace coolant temperature sending unit.
  2. If gauge indicates "H", disconnect 16-pin instrument panel cluster assembly connector. If gauge indicates "C", repair short to ground in Yellow/White wire between coolant temperature sending unit and instrument panel cluster assembly. If gauge indicates "H", check instrument panel cluster printed circuit for cracks and poor connections. If printed circuit is okay, replace gauge.
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