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 1354 of 1824

TM 9-2320-366-20-1

TEST OPTIONS

REASON FOR QUESTION

KNOWN INFO

Voltage Test or

STE/ICE-R Test #89

POSSIBLE PROBLEMS

WARNING

Read WARNING

on following page.

4.

2-790

Change 1

Faulty dashboard cable

assembly.

Faulty relay K28.

Is 12 VDC present at relay

K28 terminal 86 on PDP?

If 12 VDC is not present,

wire 1955 is faulty.

Towing vehicle marker/taillights

OK.

Circuit breaker CB41 OK.

Trailer electrical system OK.

Rear lights cable assembly OK.

Rear intervehicular 24 VDC

(12 pin) cable.

e65. TRAILER MARKER/TAILLIGHTS DO NOT ILLUMINATE (CONT)

NO

YES

Repair wire 1955 from relay K28 terminal 86 on

PDP to terminal board TB1 position 5 (para 2-45)

or replace WTEC II dashboard cable assembly

(para 7-10) or WTEC III

dashboard cable

assembly

(para 7-11).

KNOWN INFO

TEST OPTIONS

Continuity Test or

STE/ICE-R Test #91

REASON FOR QUESTION

POSSIBLE PROBLEMS

5.

Faulty dashboard cable

assembly.

Faulty relay K28.

Is continuity present from

relay K28 terminal 85 on

PDP to ground?

If continuity is not present,

wire 3056 is faulty.

Towing vehicle marker/taillights

OK.

Circuit breaker CB41 OK.

Trailer electrical system OK.

Rear lights cable assembly OK.

Rear intervehicular 24 VDC

(12 pin) cable.

Replace relay K28 (para 7-9).

NO

YES

Repair wire 3056 from K28 terminal 85 on PDP

to terminal board TB2 position 22 (para 2-45) or

replace WTEC II dashboard cable assembly

(para 7-10) or WTEC III dashboard cable

assembly ( para 7-11).