TM-9-2320-260-20

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

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 258 of 1337

TM 9-2320-260-20

Table 2-4. Electrical Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Test

4.

Test continuity of resistor.

Step 1.

Step 2.

Step 3.

Step 4.

Step 5.

Step 6.

Step 7.

Set multimeter to RX1 scale.

Touch positive lead of multimeter to connector for lead 575.

Touch negative lead of multimeter to connector for lead 570. There should be 0.2 ohms

present.

a. If resistance is present, go to step 4.

b. If resistance is not present, replace resistor (para. 3-33).

Touch positive lead of multimeter to connector for lead 575.

Touch negative lead of multimeter to connector for lead 576. There should be 0.2 ohms

present.

a. If resistance is present, go to step 6.

b. Replace resistor if resistance is not present (para. 3-33).

Touch positive lead of multimeter to connector for lead 575.

Touch negative lead of multimeter to connector for lead 571. Continuity should be

present.

a. If continuity is present, go to test 5.

b. Repair or replace lead 571 if continuity is not present (para. 4-52).

2-171