TM 9-2350-256-20-1
0057 00
CORRECTIVE ACTION Continued
5.
Reconnect bulkhead to APU, master relay, and rigger's lights wiring harness to regulator. Disconnect
engine generator relays to voltage regulator wiring harness at switching relay box. Place red lead
of multimeter in socket C of wire 478. Turn MASTER and APU GEN switches ON, start APU, and
check for voltage. Turn APU and MASTER and APU GEN switches OFF. If voltage is not present,
00). If voltage is present, go to step 6.
6.
Place red lead of multimeter in socket D of wire 61/1. Turn MASTER and APU GEN switches ON,
start APU, and check for voltage. Turn APU and MASTER and APU GEN switches OFF. If voltage is
not present, repair/replace wire 61/1 of engine generator relays to voltage regulator wiring harness (see
WP 0230 00). If voltage is present, go to step 7.
0057 00-5
