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) Disconnect 12 vdc cable from
(2) Set multimeter select switch to
(3) Is continuity measured between
12 vdc cable, pin A and a known
(a) If there is no continuity, repair
12 vdc cable.
(b) If there is continuity, repair wire
1435 (see schematic, Fig FO 1.1)
or replace trailer main wire
harness (Para 4-30.1).
(4) Connect 12 vdc cable to connector