TM 9-2350-256-20-1
0066 00
CORRECTIVE ACTION Continued
3.
Reconnect APU control box to foot dimmer switch and bulkhead wiring harness to bulkhead. Discon-
nect wire 26 of gage panel 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 26 and black
lead to ground. Turn MASTER switch on, start engine, set to idle, and check for voltage. Turn engine
and MASTER switch OFF. If voltage is present, repair/replace wire 26 of gage panel to bulkhead
wiring harness (see WP 0194 00 for dual voltage; 0195 00 for single voltage). If voltage is not present,
repair/replace wire 26 of APU control box to foot dimmer switch and bulkhead wiring harness (see WP
0228 00 for dual voltage; 0229 00 for single voltage).
4.
Reconnect APU control box to foot dimmer switch and bulkhead wiring harness to bulkhead. Remove
engine deck (see WP 0336 00). Disconnect bulkhead to engine bracket and rear fuel tank transmitter
wiring harness from engine disconnect. Place red lead of multimeter on pin M of wire 26 and black
lead to ground. Turn MASTER switch on, start engine, set to idle, and check for voltage. Turn engine
and MASTER switch OFF. If voltage is present, go to step 5. If voltage is not present, go to step 6.
0066 00-4
