TM 9-2320-387-24-l
ALTERNATOR
KNOWN INFO
NOTHING
POSSIBLE PROBLEMS
ALTERNATOR
CONTROL BOX
WIRING
SERPENTINE
BELT
KNOWN INFO
SERPENTINE
BELT OK
POSSIBLE PROBLEMS
WIRING
ALTERNATOR
ZONTROL BOX
KNOWN INFO
SERPENTINE
BELT OK
WIRING CONNECtIONS
OI(
POSSIBLE PROBLEMS
ALTERNATOR
CONTROL BOX
WIRING
S SERPENTINE BELT IN GOOD
ZONDITION (NO CRACKS, FRAYS,
3R GLAZE)?
r OPTIONS
VISUAL INSPECTlON OF
BELT TENSIONER
POSITION.
REASON FOR QUESTlON
If belt tensioner has fully retracted,
belt will not drive the alternator
fast enough to recharge the
. .
TEST OPTlONS
4RE ALL WIRE CONNECTIONS
VISUAL
TO ALTERNATOR CLEAN, TIGHT,
4ND MAKING GOOD CONNECTION?
REASON FOR OUESTION
Loose or dirty connections can
\
prevent a good alternator from
charging the batteries.
IF YOU STlLL
\
I
I
1
:
L
L
WITH ROTARY SWITCH IN RUN
POSITION (ENGINE NOT RUNNING),
DO YOU HAVE BAlTERY VOLTAGE
AT ALTERNATOR OUTPUT
l-ERMINAL ?
T OPTIONS
I. STE/ICE-R TESTS 67.69
(INTERLEAVE)
(Pages 2496.
2-606)
!. MULTIMETER
REASON FOR QUESTlON
The alternator must be connected
to batteries to be able to recharge
the batteries.
-
2-200
