TM 9-2350-277-20-1
COOLANT TEMP INDICATOR MALFUNCTIONS—Continued
0053 00
2Y
1. Remove jumper wire.
2. Replace water temperature transmitter (WP 0321 00).
3. Verify no faults found.
AY
1. Turn MASTER SWITCH to OFF.
2. Remove harness 12349873 plug (1) from harness 12349881 jack
(2) at carrier bulkhead.
3. Turn MASTER SWITCH to ON.
4. Is TEMP indicator still not in full left (cold) position?
YES
NO
AYN
1. Replace harness 12349873 circuit 33
(WP 0359 00).
2. Verify no faults found.
A2Y
1. Turn MASTER SWITCH to OFF.
2. Remove instrument panel for access (WP 0295 00).
3. Remove harness 12349881 circuit 33 plug (1) from TEMP
indicator jack (2).
4. Measure resistance between harness 12349881 circuit 33 plug (1)
and ground.
5. Is reading 0 ohms?
YES
NO
A2YN
1. Faulty harness 12349881 circuit 33.
Beyond unit maintenance repair.
2. Notify supervisor.
0053 00-2
