TM 9-2350-256-20-1
0085 00
CORRECTIVE ACTION Continued
9.
UNLOCK and turn main lighting switch to SER. DRIVE. Place a jumper wire from pin F to socket F.
Place red lead of multimeter on pin A of wire 75 and black lead to ground. Turn MASTER switch on
and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step 10. If voltage is not
present, replace main lighting switch (see WP 0159 00).
10. Reconnect main lighting and master relay wiring harness to main lighting switch. Disconnect wire 75
of main lighting and B.O. selector switch wiring harness from connector. Place red lead of multimeter
on male connector of wire 75 and black lead to ground. Turn MASTER switch ON, press SER DRIVE
key and ENTER key on main light switch, and check for voltage. Turn MASTER and main lighting
switches OFF. If voltage is present, repair/replace wire 75 of main lighting and master relay wiring
harness (see WP 0219 00). If voltage is not present, repair/replace wire 75 of main lighting and B.O.
selector switch wiring harness (see WP 0218 00).
0085 00-8