TM 9-2350-247-20-1
COOLANT TEMPERATURE GAUGE MALFUNCTIONS—Continued
0053 00
3CY
1. Install engine wiring harness circuit 33 plug on engine coolant
temperature transmitter.
2. Install jumper wire between power wiring harness jack (1) pin E
(2) and ground (at battery box).
3. Remove power wiring harness circuit 33 plug (3) from TEMP
gauge jack (4).
4. Measure resistance between power wiring harness circuit 33 (3)
and ground.
5. Does multimeter read 0 ohms?
YES
NO
3CYN
1. Remove jumper wire.
2. Wiring harness needs to be replaced.
3. Notify your supervisor.
4CY
1. Remove jumper wire.
2. Install engine wiring harness plug onto power wiring harness jack
at battery box.
3. Replace TEMP gauge (WP 0266 00).
4. Verify no faults found.
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