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 TM 9-2320-270-20-1
TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ELECTRICAL SYSTEM
14. BATTERY VOLTMETER SHOWS INCORRECT VOLTAGE DURING OPERATION (LESS THAN 26
VOLTS OR MORE THAN 30 VOLTS).
NOTE
If battery gage voltmeter shows zero voltage during operation, check and adjust
alternator belts (page 4-223).
Step 1.
Open instrument panel (page 4-244). Start engine (TM 9-2320-270-10). Using
multimeter set at 30 vdc, put red probe on battery gage voltmeter terminal (1)
and black probe on panel (2) take reading. Shut down engine (TM 9-2320-
270-10).
a. If meter reads less than 26 volts, close instrument panel (page
4-244) adjust alternator (page 4-215).
b. If meter reads more than 30 volts, close instrument panel (page
4-244) adjust alternator (page 4-215).
c. If meter reads 26 to 30 volts, and the battery voltmeter does not
read 26 to 30 volts, replace battery gage voltmeter (page 4-265).
TA239634
3-45
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