FRONT SIDE MARKER LIGHT DOES NOT OPERATE. (Cont) -725550344

TM 9-2330-385-14

1. FRONT SIDE MARKER LIGHT DOES NOT OPERATE (CONT).

KNOWN INFO

TEST OPTIONS

WARNING

Read WARNING

Truck electrical system OK.

Voltage test.

on Page 4-129

All other trailer lights operate.

Light lamp OK.

REASON FOR QUESTION

Marker light OK.

Are 10 to 14 vdc measured on

If voltage is not supplied to front

wire 1012-24 at connector?

POSSIBLE PROBLEMS

side marker light on wire 1012-

24, marker light will not operate.

Wire 1012-24 faulty.

Repair wire 1012-24

(see schematic, Fig

FO-1) or replace front

side marker harness

Verify repair, go to

Step 7 of this Fault.

YES

Fault not corrected.

Notify supervisor.

4-128