TM 9-2320-387-24-l
BATTERY CIRCUIT
KNOWN INFO
BATTERY VOLTAGE
IS NOT CORRECT
POSSIBLE
PROBLEMS
BATTERY OR BATTERIES
CABLES
ALTERNATOR
KNOWN INFO
BATTERIES OK
POSSIBLE
PROBLEMS
CABLES
KNOWN INFO
BATTERY VOLTAGE NOT
CORRECT
POSSIBLE
PROBLEMS
BATTERIES
ALTERNATOR
DOES EACH BATTERY MEASURE
11-13 VOLTS?
T OPTIONS
1. STUICE-R
TEST 69
(Page 2-506)
2. MULTIMETER
REASON FOR QUESTION
A good battery has 12 volts at
70’F (22°C).
A2
t
r=
CHECK THE VOLTAGE DROP
ACROSS EACH CABLE IN THE
BATTERY BOX (SEE NOTE AT
RIGHT). ARE ALL VOLTAGE
DROPS LESS THAN 0.25 VOLT
MAX?
OPTIONS
1 .STE/lCE-R TEST 69
(Page 2-506)
2. MULTIMETER
REASON FOR QUESTION
Everything else checks out OK.
These cables are the only thing in
the battery circuit we haven’t
tested.
A3
1
YOUR BAlTERlES ARE OVER-
CHARGED OR DISCHARGED.
RUN
THE ALTERNATOR TESTS. IF NO
FAULTS ARE FOUND, REPLACE
THE DEFECTIVE BAlTERY OR
BATTERIES.
2-242
