TM 9-2350-261-20-1
1.
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5.
Remove engine harness plug (1) from air box
heater harness jack (2).
Turn MASTER SWITCH to ON.
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.
Turn MASTER SWITCH to OFF.
Did multimeter read less than 17 volts for both
readings?
1. Remove engine harness plug (1) from front main
harness jack (2) at earner bulkhead.
2. Turn MASTER SWITCH to ON.
3. Measure voltage from front main harness jack (2)
pin C (3) and ground with air box heater switch
4. Turn MASTER SWITCH to OFF.
5. Did multimeter read less than 17 volts?
1. Replace air box heater wir-
ing harness (page 6-140).
2. Verify no faults found.
1. Faulty engine harness.
2. Notify your supervisor.
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