TM 9-2350-256-20-1
0077 00
CORRECTIVE ACTION Continued
2. Remove three screws (1), three lockwashers (2), two screws (3), two lockwashers (4), and ground strap
(5) and release gage panel (6) from mounting brackets. Disconnect wire 40A, 40B, and/or 40C of gage
panel wiring harness from gage panel light(s). Place red lead of multimeter in wire 40A, 40B, and/or
40C and black lead to ground. Turn MASTER switch on and check for voltage in each wire. Turn
MASTER switch OFF. If voltage is present, replace socket (see WP 0157 00). If voltage is not present,
go to step 3.
3.
Disconnect gage panel to bulkhead wiring harness from gage panel. Place red lead of multimeter in
socket H of wire 40 and black lead to ground. Turn MASTER switch on and check for voltage. Turn
MASTER switch OFF. If voltage is present, repair/replace wire 40A, 40B, and/or 40C of gage panel
wiring harness (see WP 0193 00). If voltage is not present, go to step 4.
4.
Reconnect gage panel to bulkhead wiring harness to gage panel. Install ground strap (5), two lock-
washers (4), two screws (3), gage panel (6), three lockwashers (2), and three screws (1) to mounting
brackets. Remove three screws (7), three lockwashers (8), ground lead (9), and flat washer (10) and
release main switch panel (11) from mounting brackets. Disconnect switch panel to gage panel and
miscellaneous switches wiring harness from main switch panel. Place jumper wire from socket N to
pin N. Place red lead of multimeter in socket H of wire 40 and black lead to ground. Turn MASTER
0077 00-4
