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 544 of 1205

TM 9-2320-387-24-l

1 2-46.

STEIICE-R

TEST PROCEDURES

(Cont’d)

STARTER NEGATIVE CABLE VOLTAGE DROP TEST #69

Description:

Pre-Test Procedures:

This procedure

measures the voltage drop

on the starter path. A high voltage (>2V)

indicates excessive

ground path resistance.

Test requires DCA hookup only.

Run confidence

test.

Typical Applications:

Check starter negative cable voltage drop.

Test Procedure:

1. Disconnect fuel solenoid wire 64A to prevent

starting.

2. Set TEST SELECT switch to 69.

3. Press and release TEST button.

4. Crank the engine and observe the displayed

vottage.

Control Functions:

01.02,

03,04,

06

Possible Error Messages:

None.

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