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 262 of 926
TM 9-2320-283-20-1
TROUBLESHOOTING.
2-11.
TROUBLESHOOTING PROCEDURES (Continued).
MALFUNCTION
INSTRUCTION
INDICATION
YES
NO
41.
BOTH HEADLAMPS BLINK ON AND OFF (Continued).
20.
Check circuit 28-DG
Loose.
Tighten
Go to step 21.
terminal of dimmer
connection.
switch.
21.
Turn off headlamp
switch, and go to step
22.
22.
Check circuit 28-DG
Infinity.
Repair circuit
High beam head-
for continuity.
28C-DG (para
lamp circuit
TA 236876
2-137
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