F 350 4WD Pickup V8-351 5.8L VIN H EFI (1997)
Temperature Gauge: Testing and Inspection
Testing
Check gauge calibration as follows:
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Using a Rotunda Instrument Gauge System Tester 014-R1063 or equivalent, with the key in the OFF position, disconnect wiring connector at the
sender and connect tester to wiring connector.
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Set the tester to 74 ohms.
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Turn the key to RUN, and wait 60 seconds. The gauge should indicate on the COLD graduation.
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Set the tester to 9.7 ohms and wait 60 seconds. The gauge should indicate on the HOT graduation.
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If engine coolant temperature gauge tests within calibration, replace engine coolant temperature sender.
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If engine coolant temperature gauge still tests out of calibration, replace coolant temperature gauge.
