TB-9-2320-279-13-P-4

TRUCK, TRACTOR, LIGHT EQUIPMENT TRANSPORTER (LET), 8X8, M983A2 LET

TECHNICAL BULLETIN; OPERATOR AND FIELD LEVEL

APRIL 2008

TB-9-2320-279-13-P-4 - Page 235 of 744

1

2

3

A

B

C

D

E

F

G

H

J

K

988

916

419 509 439

901 900 952

417

451 556 557

528

524 115E

505 583

979

RELA

Y

R10

WIRE 1516A

TERMINAL 86

WIRE 451

TERMINAL 30

WIRE 145

TERMINAL 85

WIRE 151-D

TERMINAL 87

ENGINE

ECM

VIH

CONNECTOR

MC20

Figure 34.

4. Connect negative (-) probe of multimeter to wire 451 at engine harness connector MC20, terminal E1.

5. Multimeter should display a reading less than 200 ohms. Note reading.

CONDITION/INDICATION

Is continuity measured on wire 451 between high idle active relay R10, terminal 30 and engine harness connector

MC20, terminal E1?

DECISION

No - Test 32 - Is continuity measured on wire 451 between engine harness connector MC20 and cab harness

connector MC4?

Yes - Test 35 - Is continuity measured between wire 151-D at high idle active relay R10 connector, terminal 87

and engine harness connector MC21, terminal B?

TB 9-2320-279-13&P-4

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0024-43