Table 2. Starting System Troubleshooting Procedure - continued

TM 9-2320-361-24-1

0012 00

BATTERY AND CHARGING SYSTEM TROUBLESHOOTING (Contd)

Table 2. Starting System Troubleshooting Procedure (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

4. Remove leads 11 from pins A

1. If continuity is not found, replace

1. STARTER

and C and lead 1 from pin D.

power accessory switch

WILL NOT CRANK

With power accessory switch

(WP 0104 00). Check continuity of

(Contd)

in ON position, check

new power accessory switch before

continuity between pins A and

installation. Reinstall leads 11 in

B and between pins C and D.

pins A and C. Reinstall lead 27 in pin

B and lead 1 in pin D. Attempt to

start engine (TM 9-2320-361-10).

2. If starter does not crank engine, go to

test step 5.

5. Remove lead 74A from pin B

1. If voltage is not present, go to step 6.

of start switch. With power

2. If voltage is present, perform

accessory switch in ON

continuity check on lead 74A

position, turn start switch and

3. If continuity is present, repair or

check for battery voltage at

replace lead (WP 0090 00).

pin B.

6. Remove lead 74 from pin A of 1. If voltage is not present, disconnect

lead 27 from power accessory switch

start switch, turn power

and check continuity between lead 27

accessory switch to ON

and its connection to lead 74.

position, and check for battery

voltage at pin B.

2. If continuity is not found, repair or

replace lead. Reinstall lead 74 into

pin A.

7. Attempt to start engine

If starter does not engage engine, go to

(TM 9-2320-361-10).

test step 8.

8. Remove lead 74 from pin A

1. If continuity is not found, replace

and lead 74A from pin B of

start switch (WP 0089 00).

start switch. Turn start

2. Check continuity of new switch

switch and perform continuity

before installation.

check between pins A and B.

3. Reinstall lead 74A in pin B and lead

74 in pin A.

4. Turn start switch. Starter should

turn engine.

Test 4. Check for battery voltage at

horn circuit breaker.

1. Remove lead 10 from horn

1. If battery voltage is not present, go to

circuit breaker and check

test step 2.

battery voltage on contact

2. If battery voltage is present, go to

end.

test step 3.

2. Disconnect battery ground

1. If continuity is not present, repair or

cable (WP 0126 00).

replace leads 10 and 11 (WP 0090 00).

Disconnect leads 11 from

2. If continuity is present, reconnect

power accessory switch and

leads 10 and 11, and battery ground

check continuity of two leads

cable (WP 0126 00). Go to test step 3.

10 and lead 11.

0012 00-12