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 1166 of 1824

TEST OPTIONS

REASON FOR QUESTION

CAUTION

Read CAUTION

on following page.

KNOWN INFO

Is continuity present from

connector PX15 socket H

to connector PX12 pin 5?

e49. ONE OR BOTH COMPOSITE TAILLIGHTS DO NOT ILLUMINATE (CONT)

POSSIBLE PROBLEMS

Continuity Test or

STE/ICE-R Test #91

2-612.40

Change 1

25.

TM 9-2320-366-20-1

If continuity is not present,

wire 1575 from connector

PX15 socket H to connector

PX12 pin 5 is faulty.

If

continuity is present, wire

1575 from connector PX12

pin 5 to relay K20 terminal

86 on PDP is faulty.

Faulty dashboard cable

assembly.

Other service light illuminates.

Circuit breaker CB80 OK.

Lamp OK.

Relay K20 OK.

Rear lights cable

assembly OK.

Main light switch OK.

NO

YES

Repair wire 1575 from connector PX15 socket H

to connector PX12 pin 5 (para 2-45) or replace

WTEC II dashboard cable assembly (para 7-10)

or WTEC III dashboard cable assembly (para 7-11).

Repair wire 1575 from connector PX12 pin 5

to relay K20 terminal 86 on PDP (para 2-45) or

replace WTEC II dashboard cable assembly

(para 7-10) or WTEC III dashboard cable

assembly (para 7-11).