TM 9-2320-260-20
Table 2-4. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test 5. Test wiring harness from floodlight switch to floodlights.
Step 1. Disconnect voltage input leads W1-2, W1-3, and W1-4 at floodlights.
Step 2. Set multimeter to RX1 scale.
Step 3. Disconnect lead W1 connector.
Step 4. Touch positive lead of multimeter to contact end of lead W1-2.
Step 5. Touch negative lead of multimeter to contact end of plug at lead W1. Continuity should
be present.
a. If continuity is present, go to test 6.
b. Repair or replace lead if continuity is not present (para. 4-52).
Step 6. Touch positive lead of multimeter to contact end of lead W 1-3.
Step 7. Touch negative lead of multimeter to contact end of plug at lead W1. Continuity should
be present.
a. If continuity is present, go to test 6.
b. Repair or replace lead if continuity is not present (para. 4-52 or 4-53).
Step 8. Touch positive lead of multimeter to contact end of lead W 1-4.
present.
a. If continuity is present, go to test 6.
b. Repair or replace lead if continuity is not present (para. 4-52 or 4-53).
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