TM 9-2320-260-20
Table 2-4. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test 9. Check for battery voltage at battery switch.
Step 1. Set multimeter to a range that will measure 24 volts.
Step 2. Disconnect lead 81 at pin A from battery switch.
Step 3. Touch positive lead of multimeter to contact end of lead 81.
Step 4. Touch negative lead of multimeter to frame ground. Voltage should be present.
a. If voltage is present, go to step 5.
b. Repair or replace lead 81 if voltage is not present (para. 4-52).
Step 5. Connect lead 81 into battery switch.
Step 6. Disconnect lead 459 and two leads 54 from pins B, C, and D.
Step 7. Position battery switch to ON position.
Step 8. Touch positive lead of multimeter to contact end of pin B.
Step 9. Touch negative lead of multimeter to frame ground. Voltage should be present.
Step 10. Touch positive lead of multimeter to pin C. Voltage should be present.
Step 11. Touch positive lead of multimeter to pin D. Voltage should be present.
a. If voltage is present at all pins tested, go to test 10.
b. Replace battery switch if voltage is not present at one or more pins tested
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