STARTER CRANKS CONTINUOUSLY

TM 10-3930-638-24&P

2-21. STARTING SYSTEM TROUBLESHOOTING (cont)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

2. STARTER FAILS TO CRANK (cont)

Step 6. Turn IGNITION switch to OFF and

remove key. Connect ohmmeter leads

to terminals of 25 ampere circuit

breaker and note ohmmeter

indication.

If ohmmeter indicates more than

0.1 ohm, replace 25 ampere circuit

Step 7. Tag and disconnect wires from

START switch located at left of

steering column. Connect ohmmeter

leads to terminals of START switch,

and note ohmmeter indication while

depressing START switch.

If ohmmeter indicates more than 0.1 ohm, replace START switch (para 2-28 b).

3. STARTER CRANKS CONTINUOUSLY

Step 1. Connect voltmeter leads to S terminal of starter solenoid and ground, and turn IGNITION switch to ON.

a. If voltmeter indicates zero volts, replace starter assembly (para 2-27a).

b. If voltmeter indicates 24 Vdc, proceed to step 2.

Step 2. Connect voltmeter leads to terminal 1 of starter relay and ground, and turn IGNITION switch to ON.

a. If voltmeter indicates 24 Vdc, replace START switch (para 2-28b).

b. If voltmeter does not indicate 24 Vdc, replace starter relay (para 2-27b).

2-22. CHARGING SYSTEM TROUBLESHOOTING

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. ABNORMAL ALTERNATOR LIGHT OPERATION

Step 1.

Place IGNITION switch to OFF.

ALTERNATOR light should be off.

a. If ALTERNATOR light is off,

proceed to step 2.