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Page Title:
ELECTRICAL TROUBLESHOOTING SYMPTOM INDEX |
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 TM 9-2320-386-24-1-1
UNIT TROUBLESHOOTING PROCEDURES
EXTENDED SERVICE PROGRAM (ESP)
TRUCK, CARGO, 2-1/2-TON, 6X6, M44A3 SERIES TRUCKS (DIESEL)
M35A3, W/O WINCH (NSN 2320-01-383-2047); W/WINCH (NSN 2320-01-383-3850);
M35A3C, W/O WINCH (NSN 2320-01-383-2050); W/WINCH (NSN 2320-01-383-2049);
M36A3, W/O WINCH (NSN 2320-01-383-2048); W/WINCH (NSN 2320-01-383-2046).
ELECTRICAL TROUBLESHOOTING SYMPTOM INDEX
MALFUNCTION
TROUBLESHOOTING
MALFUNCTION
NO.
WP-PAGE
BATTERY SYSTEM
1.
All vehicle electrical systems inoperative . . . . . . . . . . . . . . . . . . . . . .
STARTING SYSTEM
2.
Starter will not crank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.
Starter motor operates, but engine cranks slowly . . . . . . . . . . . . . . . .
4.
Engine cranks but will not start . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHARGING SYSTEM (60 AMP)
5.
No alternator output (battery gauge in left-hand red)
.............
6.
Batteries not charging properly
(battery gauge in yellow or right-hand red) . . . . . .
.............
7.
Batteries hot or boiling, corrected specific gravity
of all cells is 1.280 . . . . . . . . . . . . . . . . . . . . . . . .
.............
8.
Batteries use excessive water . . . . . . . . . . . . . . . . .
.............
9.
Batteries run down in operation . . . . . . . . . . . . . . .
.............
CHARGING SYSTEM (100 AMP)
10.
No alternator output (battery gauge in left-hand red) . . . . . . . . .
....
11.
Batteries not charging properly
(battery gauge in yellow or right-hand red) . . . . . . . . . . . . . . . .
.
.
.
.
12.
Batteries hot or boiling, correct specific gravity of all cells is 1.280 .
.
.
.
.
13.
Batteries use excessive water . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
.
.
.
14.
Batteries run down in operation . . . . . . . . . . . . . . . . . . . . . . . . .
.
.
.
.
INDICATORS, GAUGES, AND WARNING SYSTEM
15.
All gauges inoperative . . . . . . . . . . . . . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
16.
Engine temperature gauge inoperative . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
17.
Fuel gauge inoperative . . . . . . . . . . . . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
18.
Oil pressure gauge inoperative . . . . . . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
19.
Battery gauge inoperative . . . . . . . . . . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
20.
Tachometer inoperative . . . . . . . . . . . . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
21.
Transmission temperature gauge inoperative . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
22.
Horn does not operate . . . . . . . . . . . . . . . . . . . .
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
ELECTRICAL ACCESSORIES
23.
Windshield wipers fail to work on HIGH or LOW setting . . . . . . . . . .
24.
Engine cranks but will not start (fuel available) . . . . . . . . . . . . . . . . .
25.
Air dryer heater fails to work 40 degrees or below. . . . . . . . . . . . . . . .
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