TM 9-2350-256-20-1
0055 00
CORRECTIVE ACTION Continued
8.
Reconnect bulkhead to engine bracket and rear fuel tank transmitter wiring harness to switching relay
box. Disconnect APU and engine generator relays to voltage regulator wiring harness from switching
relay box. Place red lead of multimeter in socket D of wire 1-61 and black lead to ground. Turn
MASTER switch on, start engine, open generator cutout switch and check for voltage. Turn engine and
MASTER switch OFF and close generator cutout switch. If voltage is present, go to step 9. If voltage
is not present, repair/replace wire 1-61 of APU and engine generator relays to voltage regulator wiring
harness (see WP 0230 00).
9.
Reconnect APU and engine generator relays to voltage regulator wiring harness to engine regulator.
Disconnect bulkhead to engine bracket and rear fuel tank transmitter wiring harness from switching
relay box. Place red lead of multimeter on pin C of wire 1 and black lead to ground. Turn MASTER
switch on, start engine, close generator cutout switch and check for voltage. Turn engine and MASTER
switch OFF and open generator cutout switch. If voltage is present, go to step 10. If voltage is not
present, replace switching relay box (see WP 0162 00).
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