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TM 10-3930-643-20
ELECTRICAL SYSTEM TROUBLESHOOTING AND MAINTENANCE.
5-8.
Instrument Panel Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
k.
ENGINE WATER TEMPERATURE GAGE NOT OPERATING.
Step 4.
Test the continuity of the wire assembly. Disconnect twelve
pin connector from instrument panel, as shown. Disconnect
instrument panel harness from intermediate harness, as shown.
Connect multimeter to Pin 5 and Pin E.
If the multimeter needle does not move, the circuit does not have
c o n t i n u i t y.
I d e n t i f y a s a d e f e c t i v e w i r e a n d c o n t a c t D i r e ct
Support.
Step 5.
Test the continuity of the engine water temperature sender.
Connect multimeter to terminal and ground.
If the multimeter needle does not move, the circuit does not have
continuity. Replace engine water temperature sender, refer to
paragraph 5-38.
5-55
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