TM 9-2350-256-20-1
0056 00
CORRECTIVE ACTION Continued
13. Reconnect APU control box to foot dimmer switch and bulkhead wiring harness to APU control box.
Disconnect bulkhead to engine harness and starter relay wiring harness from bulkhead disconnect.
Place red lead of multimeter in socket G of wire 61 and black lead to ground. Turn MASTER and APU
GEN switches ON and check for voltage. Turn MASTER and APU GEN switches OFF. If voltage is
present, go to step 14. If voltage is not present, go step 15.
14. Reconnect bulkhead to engine wiring harness and starter relay wiring harness to bulkhead. Disconnect
wire 61 of switch panel to neutral safety to bulkhead wiring harness from APU control box to foot
dimmer switch and bulkhead wiring harness. Place red lead of multimeter in female connector of wire
61 and black lead to ground. Turn MASTER and APU GEN switches ON and check for voltage. Turn
MASTER and APU GEN switches OFF. If voltage is present, repair/replace wire 61 of APU control
box to foot dimmer switch and bulkhead wiring harness (see WP 0228 00). If voltage is not present,
repair/replace wire 61 of switch panel to neutral safety to bulkhead wiring harness (see WP 0203 00).
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