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Coolant Temperature Gauge

  1. Turn ignition switch to LOCK position. Disconnect temperature sensor harness connector. Connect Instrument Gauge System Tester (014-R1063) to temperature sensor harness connector Red/White wire. Set tester at 300 ohms. Turn ignition switch to RUN position, wait 60 seconds and read gauge. Temperature gauge should read cold. Turn ignition switch to LOCK position.
  2. Set tester to 45 ohms. Turn ignition switch on and wait 60 seconds. Temperature gauge should read one quarter to mid range. Turn ignition switch to LOCK position. Set tester to 18 ohms. Turn ignition switch on and wait 60 seconds. Temperature gauge should read hot. If temperature gauge does not function as specified, replace gauge.
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