TM 9-2350-247-20-1
VEHICLE COMPARTMENT HEATER MALFUNCTIONS—Continued
0085 00
CY
1. Remove heater harness plug (1) from heater control box jack (2).
2. Measure voltage between heater control box jack (2) pin C (3)
and ground with RUN-OFF-START switch in START.
3. Does multimeter read 17 volts or more?
YES
NO
GO TO DY (PAGE 0085 00-6)
2CY
1. Install heater harness plug on heater control box jack.
2. Remove heater harness plug (1) from heater jack (2).
3. Measure voltage between heater harness plug (1) pin C (3) and
ground with RUN-OFF-START switch in START.
4. Does multimeter read 17 volts or more?
YES
NO
2CYN
1. Faulty heater wiring harness.
2. Notify your supervisor.
0085 00-5
