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Page Title: ELECTRICAL TROUBLESHOOTING - continued
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TM 9-2320-386-24-1-1
0012 00
Electrical Troubleshooting (Contd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
END OF TESTING!
12. BATTERIES HOT OR BOILING, CORRECTED SPECIFIC GRAVITY OF ALL CELLS IS 1.280
NOTE
If STE/ICE is available, perform NG50 Charging Circuit Tests
Test charging voltage (malfunction 10, test 2).
END OF TESTING!
13. BATTERIES USE EXCESSIVE WATER
NOTE
If STE/ICE is available, perform NG50 Charging Circuit Tests
Test charging voltage (malfunction 10, test 2).
END OF TESTING!
14. BATTERIES RUN DOWN IN OPERATION
NOTE
If STE/ICE is available, perform NG50 Charging Circuit Tests
Test 1. Check for loose alternator mounting or missing drivebelt.
a. Tighten loose mounting hardware.
b. Replace missing drivebelt (WP 0084 00).
Test 2. Test charging voltage (malfunction 10, test 2).
END OF TESTING!
INDICATORS, GAUGES, AND WARNING SYSTEM
15. ALL GAUGES INOPERATIVE
NOTE
If STE/ICE-R is available, perform NG31 Gauge Test
Test 1. Test starter for proper operation.
Step 1. Turn accessory/battery switch to ON position.
Step 2. Engage starter button.
a. If starter cranks engine, go to test 2.
b. If starter does not crank engine, go to malfunction 2 and troubleshoot starter
circuit.
Test 2. If problem is still present, test instrument cluster voltage.
Step 1. Turn accessory/battery switch to OFF position.
Step 2. Remove instrument cluster panel (WP 0094 00).
Step 3. Connect battery ground cable (WP 0121 00).
Step 4. Connect jumper wire from instrument panel to a good frame ground.

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