ALL LIGHTS ON REAR OF TRAILER DO NOT OPERATE. (Cont) -725550241

TM 9-2330-385-14

Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical

circuits a direct short may result. Damage to equipment, injury or death to personnel may occur.

Resistors mounted on exterior of junction box assembly reach very high temperature when power is

applied to circuit. Avoid touching or contacting resistors when working in or around junction boxes.

Failure to comply could result in injury to personnel.

CONTINUITY TEST

(1) Remove four locknuts and rear

junction box guard. Discard locknuts.

(2) Loosen four captive screws and

remove rear junction box cover.

(3) Set multimeter select switch to ohms.

(4) Is continuity measured between rear

junction box assembly, terminal 15

and a known good ground?

(a) If there is no continuity, repair wire

1435-15 (see schematic,

Fig FO-1) or replace wire harness

(b) If there is continuity wire 1435-15

is OK.