TM 9-2320-272-24-1
Table 2-3. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 6. Multimeter should read continuity. If continuity is not read, check wiring harness for
broken, frayed, or pinched wires.
a. Repair broken, frayed, or pinched wires (para. 3-131).
b. If system is still not operational, go to test 4.
Test 4. Test wiring harness for short,
Step 1. Remove jumper wire from light wire to ground that was connected in test 3, step 3.
Step 2. With multimeter set for continuity, and wires disconnected as in step 1, connect
multimeter negative to vehicle chassis ground. Touch positive lead to wire corresponding
to defective lead.
Step 3. Multimeter should not read continuity (infinite reading). If there is a reading, the wiring
harness has a shorted lead.
Step 4. Check harness for short lead by visually locating frayed or pinched wires.
a. Repair frayed or pinched wires (para. 3-131).
b. If system is still not operational, perform malfunction 24.
END OF TESTING!
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