TM 9-2350-256-20-1
0065 00
CORRECTIVE ACTION Continued
Disconnect switch panel to gage panel and miscellaneous switches wiring harness from switch panel.
Place red lead of multimeter on pin N and black lead to ground. Turn MASTER switch on and check
for voltage. Turn MASTER switch OFF. If voltage is present, go to step 5. If voltage is not present, go
to step 4.
4.
Reconnect switch panel to gage panel and miscellaneous switches wiring harness to switch panel.
Install main switch panel (11), flat washer (10), ground lead (9), three lockwashers (8), and three
screws (7) to mounting brackets. Open air inlet doors (TM 9-2350-256-10). Disconnect switch
panel, radio, and bilge pump to bulkhead wiring harness from bulkhead disconnect. Place red lead
of multimeter on pin A of wire 48 and black lead to ground. Turn MASTER switch on and check for
voltage. Turn MASTER switch OFF. If voltage is present, repair/replace switch panel, radio, and bilge
pump to bulkhead wiring harness (see WP 0202 00). If voltage is not present, troubleshoot master relay
(see WP 0042 00).
0065 00-5
