TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 1000 of 1824

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

Is continuity present from

connector PX12 pin 5

to connector PX15

socket H?

Continuity Test or

STE/ICE-R Test #91

e48A. ALL MARKER LIGHTS DO NOT ILLUMINATE IN NORMAL MODE (CONT)

If continuity is not present,

wire 1575 is faulty.

If

continuity is present, main

light switch is faulty.

TM 9-2320-366-20-1

2-604.68

Change 1

7.

Faulty dashboard cable

assembly.

Faulty main light switch.

POSSIBLE PROBLEMS

NO

YES

Repair wire 1575 from connector PX12

pin 5 to connector PX15 socket H

(para 2-45) or replace WTEC II dashboard

cable assembly (para 7-10) or WTEC III

dashboard cable assembly (para 7-11).

Replace main light switch

(para 7-17).

Circuit breaker CB67 OK.

No marker lights illuminate.

Relay K20 OK.

CAUTION

Read CAUTION

on following page.