TM-9-2320-260-20

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

TECHNICAL MANUAL; UNIT MAINTENANCE

APRIL 1995

TM-9-2320-260-20 - Page 268 of 1337

TM 9-2320-260-20

Table 2-4. Electrical Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

AUXILIARY POWER SYSTEMS

AUXILIARY POWER RECEPTACLE FAILS TO OPERATE (M816, M819, AND M821)

Test 1. Test battery and ignition switch for power output.

Step 1. Turn battery switch to ON position.

Step 2. Turn ignition switch to RUN position.

Step 3. Push horn button. Horn should sound.

a. If horn sounds, go to test 2.

b. If horn fails to sound, go to malfunction 35.

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