TM 9-2350-256-20-1
0080 00
CORRECTIVE ACTION Continued
3.
Open air inlet doors (TM 9-2350-256-10). Reconnect wire 22 at bulkhead to master relay and left
and right taillight wiring harness to left taillight assembly. Install hydraulic access plate (6), two
lockwashers (5), and two screws (4). Disconnect bulkhead to master relay and left and right taillight
wiring harness from bulkhead disconnect. Place red lead of multimeter in socket B of wire 22 and
black lead to ground. Turn MASTER switch on, and press SER DRIVE key and ENTER key of main
lighting switch, and depress stoplight switch, and check for voltage. Turn MASTER and main lighting
switches OFF. If voltage is present, repair/replace wire 22 of bulkhead to master relay and left and right
taillight wiring harness (see WP 0220 00). If voltage is not present, go to step 4.
4.
Remove three screws (7), three lockwashers (8), ground lead (9), and flat washer (10) and release
main switch panel (11) from mounting brackets. Reconnect bulkhead to master relay and left and
right taillight wiring harness to bulkhead disconnect. Disconnect switch panel to gage panel and
miscellaneous switches wiring harness from main switch panel. Place red lead of multimeter on pin N
of wire 10 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 11.
0080 00-5
