TM 9-2350-247-20-1
ENGINE CRANKS BUT WILL NOT START BELOW 40
F (AIR BOX HEATER IS
USED)Continued
0015 00
DY
1. Remove engine harness plug (1) from air box heater harness
jack (2).
2. Turn MASTER SWITCH ON.
3. Measure voltage between engine harness plug (1) pin A (3) to
ground (4) and pin B (5) to ground (4) with air box heater switch
depressed.
4. Turn MASTER SWITCH OFF.
5. Did multimeter read less than 17 volts for both readings?
YES
NO
DYN
1. Replace air box heater wiring
harness (WP 0183 00).
2. Verify no faults found.
2DY
1. Remove engine harness plug (1) from front main harness jack (2).
2. Turn MASTER SWITCH ON.
3. Measure voltage from front main harness jack (2) pin C (3) and
ground with air box heater switch on.
4. Turn MASTER SWITCH OFF.
5. Did multimeter read less than 17 volts?
YES
NO
2DYN
1. Faulty engine harness.
2. Notify your supervisor.
0015 00-9