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.
(1) Remove two screws and lens cover.
(2) Set multimeter select switch to ohms.
(3) Is continuity measured between
marker light ground contact and a
known good ground?
(a) If there is no continuity, repair
wire 1435 (see schematic, FIG FO-1.1)
or replace trailer main wire harness
(b) If there is continuity, replace
front marker light assembly.
(4) Install lens cover and two screws.