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 142 of 1205

TM 9-2320-387-24-l

ELECTRICAL

KNOWN INFO

I

SHORT CIRCUlT IN

POWER LINES

POSSIBLE

PROBLEMS

BODY CONNECTOR

HARNESS

ENGINE

CONNECTOR

HARNESS

ROTARY SWITCH

KNOWN INFO

BODY CONNECTOR

HARNESS

OK

POSSIBLE

PROBLEMS

ENGINE

CONNECTOR

HARNESS

ROTARY SWITCH

DISCONNECT THE PCB BODY

CONNECTOR. KEEP THE ROTARY

SWITCH IN THE STOP POSITION.

IS THERE STILL POWER AT ANY

CIRCUITS OTHER THAN THE

LIGHTS?

DIAGNOSTIC FLOWCHART

-

1. STE/lCE-R TEST 90 (Page 2-507)

2. VISUAL

REASON

FOR QUESTION

If the problem goes away, the

short is in the body connector

harness or the rotary switch.

A2

1

Ir

RECONNECT THE BODY

CONNECTOR.

DISCONNECT THE ENGINE

CONNECTOR HARNESS. KEEP THE

ROTARY SWITCH AT STOP. IS

THERE POWER AT ANY CIRCUITS

OTHER THAN THE LIGHTS?

ST OPTIONS

1. STE/lCE-R

TEST 90 (Page 2-507)

2. VISUAL

REASON

FOR QUESTION

If the problem stays, it has

to be a short in the engine

connector

harness.

REPLACE THE ENGINE

CONNECTOR HARNESS.

GO TO STEP 1, PAGE 2-76 TO

CONTINUE TESTING.

2-82