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 491 of 1760

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

CAUTION

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.

NOTE

Inspect connector pins/sockets for damage,

corrosion, and serviceability.

Check that

connector pins are not pushed back and

are capable of making good contact.

VOLTAGE TEST

(1)

Remove instrument panel assembly for access

(para 7-15).

(2)

Disconnect connector clamp from engine OIL

PRESS gage connector.

(3)

Disconnect connector PX6 from engine OIL

PRESS gage connector.

(4)

Set multimeter to volts DC.

(5)

Connect positive (+) probe of multimeter to

connector PX6 pin 3.

(6)

Connect negative (-) probe of multimeter to

known good ground.

(7)

Position master power switch to on

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

multimeter.

(8)

If 24 VDC is not present, repair wire 1546

from connector PX6 pin 3 to connector PX10

pin 3 (para 2-40) or replace WTEC II

dashboard cable assembly (para 7-10) or WTEC

III dashboard cable assembly (para 7-11).

(9)

Position master power switch to off

(TM 9-2320-365-10).

TM 9-2320-365-20-1

Change 2

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