TM-9-2320-260-20

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 230 of 1337

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.

Step 2.

Step 3.

Step 4.

Step 5.

Step 6.

Step 7.

Step 8.

Step 9.

Disconnect voltage input leads W1-2, W1-3, and W1-4 at floodlights.

Set multimeter to RX1 scale.

Disconnect lead W1 connector.

Touch positive lead of multimeter to contact end of lead W1-2.

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).

Touch positive lead of multimeter to contact end of lead W 1-3.

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).

Touch positive lead of multimeter to contact end of lead W 1-4.

Touch negative lead of multimeter to contact end of plug at W1. Continuity should be

present.

a.

b.

If continuity is present, go to test 6.

Repair or replace lead if continuity is not present (para. 4-52 or 4-53).

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