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 152 of 1184

TM 9-2330-334-13&P

RIGHT BLACKOUT TAILLIGHT DOES NOT ILLUMINATE-Continued

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THIS WORK PACKAGE COVERS:

Electrical System Troubleshooting

Table 1. Right Blackout Taillight Does Not Illuminate.

Change 1

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INDICATION/CONDITION

DECISION (NO/YES)

PROCEDURAL STEPS

1.

Is 18-30 VDC present at

connector J253?

No.

Repair wire 112 (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 J253

from right rear composite

taillight.

4.

Connect positive (+) probe

of multimeter to connector

J253.

5.

Connect negative (-) probe

of multimeter to a known

good ground.

6.

Position main light switch to

B.O. MARKER on towing

vehicle and note reading on

multimeter.

END OF WORK PACKAGE