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 830 of 1824

TM 9-2320-366-20-1

KNOWN INFO

NO

POSSIBLE PROBLEMS

TEST OPTIONS

REASON FOR QUESTION

Continuity Test or

STE/ICE-R Test #91

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

YES

NO

Front lights cable assembly OK.

Main light switch OK.

Faulty dashboard cable

assembly.

Faulty relay K8.

Faulty relay K7.

YES

7.

If continuity is not present,

wire 1417 is faulty.

Is continuity present

from relay K7 terminal 87

to relay K8 terminal 30?

8.

Faulty relay K8.

Faulty relay K7.

POSSIBLE PROBLEMS

Front lights cable assembly OK.

Main light switch OK.

Dashboard cable assembly OK.

If continuity is not present,

relay K8 is faulty. If continuity

is present, relay K7 is faulty.

Replace relay K8

(para 7-9).

Replace relay K7

(para 7-9).

Is continuity present

between relay K8

terminals 30 and 87A?

Repair wire 1417 from PDP relay K7

terminal 87 to PDP relay K8 terminal 30

(para 2-45) or replace WTEC II dashboard

cable assembly (para 7-10) or WTEC III

dashboard cable assembly (para 7-11).

Continuity Test or

STE/ICE-R Test #91

2-538

Change 1

e41. ONE OR BOTH HEADLIGHTS (HIGH AND LOW BEAM) DO NOT ILLUMINATE (CONT)