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 158 of 926
TM 9-2320-283-20-1
TROUBLESHOOTING.
2-10.
TROUBLESHOOTING SYMPTOM INDEX.
MALFUNCTION
MALFUNCTION
TROUBLESHOOTING
NO
PROCEDURE
PAGE
ELECTRICAL SYSTEM (Continued)
53
Both Front and Rear Turn Signal Lamps Not Working .
......................................................
2-164
54
One Rear Turn Signal Lamp Not Working.
.........................................................................
2-168
55
Both Rear Turn Signal Lamps Not Working .
......................................................................
2-169
56
Both Stoplamps Not Working .
............................................................................................
2-170
57
One Stoplamp Not Working.
...............................................................................................
2-174
58
Both Reverse Lamps Not Working .
....................................................................................
2-178
59
One Reverse Lamp Not Working.
.......................................................................................
2-182
60
Blackout Headlamp Not Working.
.......................................................................................
2-184
61
Both Blackout Marker Lamps Not Working .
.......................................................................
2-188
62
One Blackout Marker lamp Not Working .
...........................................................................
2-188
63
Both Blackout Stoplamps Not Working.
..............................................................................
2-192
64
One Blackout Stoplamp Not Working .
................................................................................
2-198
65
Both Blackout Taillamps Not Working .
...............................................................................
2-200
66
One Blackout Taillamp Not Working .
.................................................................................
2-201
67
All Blackout Lamps Not Working .
.......................................................................................
2-203
68
Both 12-volt Trailer Stoplamps Not Working .
.....................................................................
2-204
69
One 12-volt Trailer Stoplamp Not Working.
........................................................................
2-204
70
Both 12-volt Trailer Turn Signal Lamps Not Working .
........................................................
2-206
71
One 12-volt Trailer Turn Signal Lamp Not Working .
..........................................................
2-206
72
Both 12-volt Trailer Taillamps Not Working .
.......................................................................
2-208
73
One Trailer Taillamp Not Working .
.....................................................................................
2-209
74
All 12-volt Trailer Clearance and Marker Lamps Not
Working .
.............................................................................................................................
2-209
75
Both 24-volt Trailer Stoplamps Not Working .
.....................................................................
2-212
76
One 24-volt Trailer Stoplamp Not Working.
........................................................................
2-218
77
Both 24-volt Trailer Turn Signal Lamps Not Working .
........................................................
2-228
78
One 24-volt Trailer Turn Signal Lamp Not Working .
..........................................................
2-230
79
Both 24-volt Trailer Taillamps Not Working .
.......................................................................
2-232
80
Both 24-volt Trailer Blackout Stoplamps Not Working .
......................................................
2-242
81
24-volt Trailer Blackout Taillamps Not Working .
................................................................
2-252
82
Electrical Horn Not Working .
..............................................................................................
2-266
83
Personnel Heater Fan Motor Not Working .
........................................................................
2-272
84
Dome Lamp Not Working .
..................................................................................................
2-274
85
Both Map Lamps Not Working.
...........................................................................................
2-278
86
One Map Lamp Not Working .
.............................................................................................
2-278
87
Map Lamps Light, but are Dim.
...........................................................................................
2-280
88
Cigar Lighter Receptacle Not Working .
..............................................................................
2-282
89
Left Side Utility Outlet Receptacle Not Working .
................................................................
2-283
90
Both Utility Outlet Receptacles Not Working .
.....................................................................
2-284
2-33
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