TM-9-2320-387-24-1

TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1

DECEMBER 1997

CHANGE 1

TM-9-2320-387-24-1 - Page 356 of 1205

TM 9-2320-387-24-l

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REFERENCE INFORMATION

GLOW PLUGS CIRCUIT

Disconnect

negative battery cable

before disconnecting

and

reconnecting

PCB harness.

I

WARNING

I

There is battery voltage at the PCB

at all times.

Failure to disconnect

battery cable will result in damage

to equipment

or injury to personnel.

Repair/replace

wiring (para.

4-80).

GLOW PLUG CONTROLLER

HARNESS WITH SOCKETS 3

AND 6 HIGHLIGHTED

Repair/replace

wiring (para.

4-80).

Replace glow plug controller (para.

4-33).

0

0

4

0

0

;>

;

6

o2

1

ENGINE CONNECTOR

HARNESS

WITH SOCKETS A AND B

HIGHLIGHTED

I

RESISTANCE

AND CONTlNUlTY

04.500

OHMS

STEIICE-R

TEST

91

1. Connect RED clip and BLACK clip to the

indicated test points in the question.

RED to the first, BLACK to the second.

2. Start

Test 91.9-4.5Ou

Ohms.

3. Displayed reading is in ohms.

Less than 5 ohm

is continuity.

If the resistance is over 4.500

ohms, WE/ICE-R

displays .9.9.9.9.

I

CONTlNUlTY

(RESISTANCE)

MULTIMETER

1.

Set

the voltmeter to an ohms scale of about

1 .fIOO ohms.

2. Connect the RED and BLACK leads to the

connections

stated in the question.

3. Be sure to read the correct scale.

Less than

5 ohms indicates continuity.

For an open

circuit, the meter should peg full scale

(needle all the way to the left).

GLOW PLUG CONTROLLER

2-301