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 998 of 1824

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

NO

Is continuity present from

relay K20 terminal 86 to

connector PX12 pin 5?

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.

CAUTION

Read CAUTION

on following page.

TM 9-2320-366-20-1

2-604.66

Change 1

6.

Faulty dashboard cable

assembly.

Faulty main light switch.

POSSIBLE PROBLEMS

Circuit breaker CB67 OK.

No marker lights illuminate.

Relay K20 OK.

YES

Repair wire 1575 from relay K20 terminal 86

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).