TM 9-2320-280-20-1
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
YES
ALTERNATOR
2-200 Change 1
7
8
WITH ENGINE RUNNING, MEASURE
CURRENT FROM ALTERNATOR
WIRE OUTPUT TERMINAL.
IS CURRENT GREATER THAN
30 AMPS?
STE/ICE-R TEST 80 (Page 2-749)
BATTERIES OK
BELTS OK
ALTERNATOR
CONNECTIONS OK
PROTECTIVE CONTROL
BOX/DISTRIBUTION BOX
OK
ALTERNATOR DRIVE OK
ALTERNATOR OUTPUT OK
ALTERNATOR
Alternator must supply enough
current to power vehicle loads.
FROM 6,
Page 2-198
REPLACE
ALTERNATOR
RERUN
ALTERNATOR TESTS
IF YOU STILL HAVE A PROBLEM,
RERUN THESE TESTS TO MAKE
SURE YOU DIDN'T MISS
ANYTHING. IF EVERYTHING
CHECKS OUT, RUN BATTERY
TESTS AND ELECTRICAL TESTS.
DIAGNOSTIC FLOWCHART
