TM 9-2320-272-24-1
Table 2-3. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test 4.
Test voltage input to protective control box.
Step
1. Set multimeter to 50-volt range.
Step
2. Disconnect harness connector at protective control box.
Step
3. Place battery switch to ON.
Step
4. Connect multimeter positive lead to pin A (lead 459) at harness connector and negative
lead to ground.
a. Multimeter should indicate voltage. If voltage is not indicated, repair broken lead
459 (para. 3-131).
b. If voltage is indicated, go to step 5.
Step 5. Place battery switch to OFF position.
Step 6. Connect multimeter positive lead to pin C (lead 81) at harness connector and negative
lead to ground.
a. Multimeter should indicate voltage. If voltage is not indicated, repair broken lead 81
b. If voltage is indicated, go to test 5.
2-111
