TM-9-2320-365-20-1

M1078 SERIES, 2 1/2-TON, 4 X 4, LIGHT MEDIUM TACTICAL VEHICLES (LMTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-365-20-1 - Page 1063 of 1760

TM 9-2320-365-20-1

Change 1

2-677

CONTINUITY TEST

(10)

Connect connector PX15 to main light

switch.

(11)

Install instrument panel assembly (para 7-15).

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

(1)

Remove instrument panel assembly for

access(para 7-15).

(2)

Disconnect connector PX15 from main light

switch.

(3)

Set multimeter to ohms.

(4)

Connect positive (+) probe of multimeter to

main light switch pin F.

(5)

Connect negative (-) probe of multimeter to

main light switch pin E.

(6)

Position main light switch to BO MARKER

(TM 9-2320-365-10) and note reading on

multimeter.

(7)

If continuity is not present, replace main light

switch connector (para 7-17).

(8)

If continuity is present, repair wire 1572

from connector PX15 socket E to terminal

board TB1 position 56 (para 2-40) or replace

WTEC II dashboard cable assembly

(para 7-10) or replace WTEC III dashboard

cable assembly (para 7-11).

(9)

Position main light switch to OFF

(TM 9-2320-365-10).