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 1310 of 1824

TM 9-2320-366-20-1

e61. ONE OR BOTH STOPLIGHTS DO NOT ILLUMINATE (CONT)

KNOWN INFO

TEST OPTIONS

REASON FOR QUESTION

WARNING

CAUTION

Read WARNING and

CAUTION on

following page.

Voltage Test or

STE/ICE-R Test #89

2-750.2

Change 1

Blackout stoplights illuminate.

Main light switch OK.

Diode D1A OK.

Relay K10 OK.

Lamp OK.

Composite taillight assembly

OK.

Turn signal switch OK.

Rear lights cable assembly OK.

POSSIBLE PROBLEMS

Faulty dashboard cable

assembly.

Faulty diode D1B.

Faulty diode D2A.

Is continuity present from

diode D1B terminal 3 to

connector J51 pin 5 (LH)

or diode D2A terminal 1 to

connector J51 pin 4 (RH)?

If 12 continuity is not present

wire 461B (LH) or wire 460B

(RH) is faulty.

If continuity is

present, diode D1B (LH) or

diode D2A (RH) is faulty.

9.

NO

Repair wire 461B from diode D1B terminal

3 to connector J51 pin 5 (LH) or wire 460B from

diode D2A terminal 1 to connector J51 pin 4

(RH) or replace WTEC II dashboard cable

assembly (para 7-10) or WTEC III dashboard

cable assembly (para 7-11).

YES

Replace diode D1B (LH) or

diode D2A (RH) (para 7-9).