TM 9-2350-261-20-1
COOLANT TEMPERATURE INDICATOR MALFUNCTIONS
INITIAL SETUP
Tools:
General Mechanics Tool Kit (Item 30, App D)
Digital Multimeter (Item 43, App D)
Jumper Wire
Personnel Required:
Unit Mechanic
References:
See your -10
Equipment Conditions:
Engine stopped/shutdown (see your -10)
Carrier blocked (see your -10)
Trim vane lowered (see your -10)
Power plant front access door open
(see your -10)
Driver's power plant access panels removed
(see your -10)
Power plant rear access panel removed
(see your -10)
1. Remove engine harness circuit 33 plug (1) from
water temperature transmitter jack (2).
2. Turn MASTER SWITCH to ON (see your -10).
3. Is TEMP indicator needle in full left (cold) position?
1. Turn MASTER SWITCH to OFF.
2. Install jumper wire between engine harness circuit
33 plug and ground.
3. Observe TEMP indicator needle.
4. Turn MASTER SWITCH to ON for two seconds.
5. Did TEMP indicator needle move to full right (hot)
position?
GO TO PAGE 3-146
1. Remove jumper wire,
2. Replace water temperature switch (page 15-3).
3. Verify no faults found.
3-144
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