TM 9-2350-256-20-1
0077 00
CORRECTIVE ACTION Continued
10. Reconnect main lighting and master relay wiring harness to main lighting switch. Disconnect wire 10
of main lighting and B.O. selector switch wiring harness from wire 15 of main lighting and master relay
wiring harness. Place red lead of multimeter in wire 10 and black to ground. Turn MASTER switch on
and check for voltage. Turn MASTER switch OFF. If voltage is present, repair/replace wire 15 of main
lighting and master relay wiring harness (see WP 0219 00). If voltage is not present, repair/replace
wire 10 of main lighting and B.O. selector switch wiring harness (see WP 0218 00).
11. Reconnect switch panel to gage panel and miscellaneous switches wiring harness to main 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 wire 48 pin
A from bulkhead to master relay wiring harness. Place red multimeter lead in socket and black lead to
ground. Turn MASTER switch on and check for voltage. 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 circuit (see WP 0042 00).
END OF WORK PACKAGE
0077 00-8
