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 1285 of 1824

TM 9-2320-366-20-1

TM 9-2320-366-20-1

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CONTINUITY TEST

WARNING

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 circuit

and cause severe burns or electrical shock.

VOLTAGE TEST

(1)

Remove instrument panel assembly for access

(para 7-15).

(2)

Disconnect connector PX14 from hazard

lights switch.

(3)

Set multimeter to volts dc.

(4)

Position hazard lights switch to on

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

(5)

Connect positive (+) probe of multimeter to

hazard lights switch terminal 7.

(6)

Connect negative (-) probe of multimeter to

hazard lights switch terminal 5 and note

reading on multimeter.

(7)

If continuity is not present, replace hazard

lights switch (para 7-18).

(8)

Connect connector PX14 to hazard lights

switch.

(1)

Remove kick panel (para 16-3).

(2)

Remove two screws, washers, and flasher

unit from dashboard.

(3)

Disconnect connector PX20 from flasher unit.

(4)

Position hazard light switch to off

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

(5)

Set multimeter to volts dc.

(6)

Connect positive (+) probe of multimeter to

connector PX20-B.

(7)

Connect negative (-) probe of multimeter to

ground.

(8)

Position main light switch to STOPLIGHT

(TM 9-2320-366-10-1) and note reading on

multimeter.

(9)

If 12 vdc is not present, repair wire 1567

(para 2-45) or replace WTEC II dashboard

cable assembly (para 7-10) or WTEC III

dashboard cable assembly (para 7-11).

(10)

Position main light switch to OFF

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