TM-9-2320-272-23-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-1 - Page 773 of 1313
NO OR LOW ALTERNATOR OUTPUT - Continued
STEP
5.
IS A 100 AMP ALTERNATOR INSTALLED?
a.
Place battery switch to OFF position.
T0930DAA
ALTERNATOR/
ELECTRICAL
WIRING
Figure 5.
Alternator Wiring.
NOTE
100 amp alternators are equipped with a quick disconnect connector.
b.
Determine which alternator is in your vehicle.
CONDITION/INDICATION
IS A 100 AMP ALTERNATOR INSTALLED?
DECISION
YES - Replace 100 amp alternator (Volume 5, WP
0780). Go to Step (8) to verify problem is solved.
NO - Replace 60 amp alternator M939/A1 (Volume 2, WP
0300), M939A2 (Volume 2, WP
0301). Go to
Step
(8) to verify problem is solved.
TM 9-2320-272-23-1
0089
0089-6
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