TM-9-2320-283-20-1
TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1
TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3
DECEMBER 1983
TM-9-2320-283-20-1 - Page 304 of 926
TM 9-2320-283-20-1
2-11.
TROUBLESHOOTING PROCEDURES (Continued).
MALFUNCTION
INSTRUCTION
INDICATION
YES
NO
58.
BOTH REVERSE LAMPS NOT WORKING (Continued).
7.
Check for voltage at
12-volts dc
Go to step 8.
Repair circuit
circuit 38A-LG terminal
nominal.
38A-LG (para
of reverse switch.
3-127).
Install
circuit breaker
bracket (para
3-114).
8.
Connect jumper wire
from circuit 38A-LG to
reverse switch, and go
to step 9.
9.
Check for voltage at
12-volts dc
Connect circuit
Replace reverse
circuit 38B-OR terminal
nominal.
38A-LG and
switch (para
of reverse switch.
38B-LG to
3-106).
Install
reverse switch,
circuit breaker
and go to step
bracket (para
10.
3-114).
2-179
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