TM-9-2320-361-20

2-1/2-TON, 6x6, M44A2 SERIES TRUCKS (MULTIFUEL)

TECHNICAL MANUAL; UNIT MAINTENANCE

OCTOBER 1991

TM-9-2320-361-20 - Page 170 of 1207

TM 9-2320-361-20

Table 2-4. Electrical Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Test 5. Check for battery voltage at horn circuit breaker.

Step 1. Remove lead 10 from horn circuit breaker and check for battery voltage on contact end.

a. If battery voltage is not present, go to step 2.

b. If battery voltage is present, go to step 3.

Step 2. Disconnect battery ground cable (para. 4-48). Disconnect two leads 11 from

accessory/ignition switch and check continuity of two leads 11 and lead 10.

a. If continuity is not present, repair or replace leads 11 or lead 10 (para. 4-51).

b. If continuity is present, reconnect two leads 11, lead 10, and battery ground cable

(para. 4-48). Go to step 3.

Step 3. With accessory/ignition switch ON, push start switch. Starter should engage engine

flywheel and crank engine.

If starter does not engage flywheel and crank engine, return to test 4, step 2.

END OF TESTING!

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