Temperature Gauge Test
WARNING: This page is about a different car, the 1997 Mercury Mountaineer and 1997 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition off. 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 on, wait 60 seconds and read gauge. Temperature gauge should read cold. Turn ignition switch off. Set tester to 45 ohms.
- Turn ignition switch on, wait 60 seconds. Temperature gauge should read one quarter to mid range. Turn ignition switch off. Set tester to 18 ohms. Turn ignition switch on, wait 60 seconds. Temperature gauge should read hot. If temperature gauge does not function as specified, replace gauge.