TM-9-2320-260-20

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

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 237 of 1337

TM 9-2320-260-20

Table 2-4. Electrical Troubleshooting (Contd).

MALFUNCTION

‘

TEST OR INSPECTION

I

CORRECTIVE ACTION

Test

4.

Test warning light switch for voltage.

Step 1. Position battery switch to ON position.

Step 2.

Step 3.

Step 4,

Step 5.

Step 6.

Step

7.

Step 8.

Step 9.

Step 10.

Step 11.

Step

12.

Position ignition switch to RUN position.

Set multimeter to a range that will measure 24 volts.

Disconnect lead 325 from warning light switch (pin A).

Touch positive lead of multimeter to contact end of lead 325.

Touch negative lead of multimeter to frame ground. Voltage should be present.

a. If voltage is present, go to step 7.

b. Repair or replace lead if voltage is not present (para. 4-52 or 4-55).

Install lead 325 onto warning light switch (pin A).

Disconnect lead 325 from warning light switch (pin B).

Position warning light switch to ON position.

Touch positive lead of multimeter to contact end of pin B.

Touch negative lead of multimeter to frame ground. Voltage should be present.

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

b. Replace warning light switch if voltage is not present (para. 4-17).

Install lead 325 onto pin B.

2-150