TM-9-2330-334-13-P

FAMILY OF MEDIUM TACTICAL VEHICLES (FMTV) LOAD HANDLING SYSTEM TRAILER (LHST) M1147A1

TECHNICAL MANUAL; OPERATOR AND FIELD LEVEL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)

DECEMBER 2013

CHANGE 1

TM-9-2330-334-13-P - Page 154 of 1184

TM 9-2330-334-13&P

RIGHT BLACKOUT STOPLIGHT DOES NOT ILLUMINATE-Continued

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THIS WORK PACKAGE COVERS:

Electrical System Troubleshooting

Table 1. Right Blackout Stoplight Does Not Illuminate.

Change 1

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INDICATION/CONDITION

DECISION (NO/YES)

PROCEDURAL STEPS

1.

Is 18-30 VDC present at

connector J252?

No.

Repair wire 111 (EM 0195)

or replace right rear

electrical harness (WP 0063

00).

1.

Set multimeter to VDC.

Yes.

Replace right rear

composite taillight (WP

0060 00).

2.

Remove right rear composite

light from trailer for access

(WP 0060 00).

3.

Disconnect connector J252

from right rear composite

taillight.

4.

Connect positive (+) probe

of multimeter to connector

J252.

5.

Connect negative (-) probe

of multimeter to a known

good ground.

6.

Position main light switch to

B.O. DRIVE on towing

vehicle, depress brake pedal,

and note reading on

multimeter.

END OF WORK PACKAGE