TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

TM-9-2320-361-24-1 - Page 191 of 1176

TM 9-2320-361-24-1

0012 00

0012 00-7

BATTERY AND CHARGING SYSTEM TROUBLESHOOTING (Contd)

STARTING SYSTEM

POWER

ACCESSORY

SWITCH

SLAVE

RECEPTACLE

POS

NEG

STARTER

RELAY

STARTER

SOLENOID

10

14

74A

74

27

27

1

11

25

49

50

6

2

68

7

1

214

568

74B

B

D

C

A

B

A

14

32

VOLTMETER

60-AMP

ALTERNATOR

STARTER

MOTOR

12-VOLT

BATTERY

15-AMP

HORN

CIRCUIT

BREAKER

INPUT FIELD VOLTAGE

+28 VDC OUTPUT

TEST 1

STEP 2

TEST 1

STEP 3

TEST 1

STEP 4

GROUND

CABLE

214

PIN 1

FRAME

GROUND

STARTER

MOTOR

PIN 4

LUG 3

STARTER

SOLENOID

6

~

~

RH GROUND FRAME

START

SWITCH

D

C

BA