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 1331 of 1824

TM 9-2320-366-20-1

Change 1

2-767

CAUTION

(1)

Set multimeter to volts DC.

(2)

Disconnect connector P77 (LH) or connector

P63 (RH) from blackout stoplight connector.

(3)

Connect positive (+) probe of multimeter to

connector P77 or connector P63.

(4)

Connect negative (-) probe of multimeter to

ground.

(5)

Position master power switch to on

(TM 9-2320-366-10-1).

(6)

Position main light switch to BO DRIVE

(TM 9-2320-366-10-1).

(7)

Apply brakes and note reading on

multimeter.

(8)

If 12 VDC is not present, repair

wire 23 from connector P77 (LH)

or connector P63 (RH) to splice E18

or splice E46 (M1089) or splice E30

(M1088) (para 2-45) or replace rear lights

cable assembly (para 7-84 or 7-104).

(9)

If 12 VDC is present, replace composite

taillight assembly (para 7-39).

(10)

Position master power switch to off

(TM 9-2320-366-10-1).

VOLTAGE TEST

Inspect connector pins/sockets for damage,

corrosion, and serviceability.

Check that

connector pins are not pushed back and

are capable of making good contact.

NOTE

Use care when testing electrical connectors.

Do not damage connector pins or sockets

with multimeter probes.

Failure to comply

may result in damage to equipment.

Remove rings, bracelets, watches, necklaces,

and any other jewelry before working around

vehicle.

Jewelry can catch on equipment and

cause injury or short across electrical circuits

and cause severe burns or electrical shock.

WARNING

(11)

Position main light switch to OFF

(TM 9-2320-366-10-1).

(12)

Install lamp in socket.

(13)

Install preformed packing and cover on

housing with six screws.