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 1152 of 1824

2-612.26

Change 1

TM 9-2320-366-20-1

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

TEST OPTIONS

REASON FOR QUESTION

Is continuity present from

relay K20 terminal 85 on

PDP to ground?

KNOWN INFO

NO

POSSIBLE PROBLEMS

Continuity Test or

STE/ICE-R Test #91

Other service light illuminates.

Circuit breaker CB80 OK.

Rear lights cable

assembly OK.

18.

Faulty dashboard cable

assembly.

Faulty relay K20.

YES

Repair wire 3054 from relay K20 terminal 85

on PDP to terminal board TB2 position 44 on

PDP (para 2-45) or replace WTEC II dashboard

cable assembly (para 7-10) or WTEC III

dashboard cable assembly (para 7-11).

If continuity is not present,

wire 3054 is faulty.

If

continuity is present, relay

K20 is faulty.

Replace relay K20 (para 7-9).