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 351 of 926
TM 9-2320-283-20-1
TROUBLESHOOTING.
2-11.
TROUBLESHOOTING PROCEDURES (Continued).
MALFUNCTION
INSTRUCTION
INDICATION
YES
NO
76.
ONE 24-VOLT TRAILER STOPLAMP NOT WORKING (Continued).
18.
Check for voltage at
24-volt dc
Connect circuit
Repair circuit
circuit 34-LG terminal
nominal.
34-LG to
34-LG (para
of connector.
34A-LG, and go
3-127).
to step 19.
19.
Remove trailer 24-volt
cab connector, and go
to step 20.
20.
Check for voltage at
24-volts dc
Recheck trailer
Repair circuit
34B-LG terminal of
nominal.
circuit.
34B-LG and/or
connector.
34A-LG (para
21.
Remove trailer 24-volt
chassis connector, and
go to step 22.
22.
Check for voltage at
24-volts dc
Recheck trailer
Repair circuit
34C-LG terminal of
nominal.
circuit.
34C-LG and/or
connector.
34A-LG (para
3-127).
2-226
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