TM-9-2320-387-24-1

TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1

DECEMBER 1997

CHANGE 1

TM-9-2320-387-24-1 - Page 334 of 1205

TM 9-2320-387-24-l

STARTER CIRCUIT

I

KNOWN INFO

NEUTRAL

SAFE-I?’

SWITCH OK

POSSIBLE

PROBLEMS

ROTARY SWITCH

PCB

WIRING

KNOWN INFO

NEUTRAL

SAFETY

SWITCH OK

POSSIBLE

PROBLEMS

ROTARY SWITCH,

PCB

WIRING

DISCONNECT WIRE 29A FROM

ROTARY SWITCH. IS THERE

CONTINUITY

FROM WIRE 29A AT

ROTARY SWITCH TO SOCKET B

OF PCB BODY CONNECTOR

HARNESS ?

1. STE/ICE-R

TEST 91

(Page 2-508)

2. MULTIMETER

REASON

FOR QUESTION

If this wire doesn’t carry battery

voltage to the PCB. the PCB will

not send battery voltage to the

starter solenoid.

TEST OPTIONS

RECONNECT PCB BODY

1. STEIICE-R

TEST 69

CONNECTOR

HARNESS.

(Page 2-506)

DO YOU HAVE BATTERY VOLTAGE

2. MULTIMETER

AT THE R TERMINAL OF THE

ROTARY SWITCH WITH THE

c

SWITCH IN RUN AND IN START?

REASON

FOR QUESTION

If there isn’t battery voltage at

the RUN terminal in both the

RUN and START positions, the

vehicle won’t start.

ROTARY SWITCH.

2-278