(1) Loosen screw and disconnect
connector MC121 from control
manifold lower control solenoid.
(2) Connect positive (+) multimeter lead
to wire 1729 at harness connector
MC121, terminal 1.
(3) Connect negative () multimeter lead
to a known good ground.
(4) Turn ON ENGINE switch
(5) With the aid of an assistant, hold
WINCH IN/OUT switch in the OUT
(a) If 22 to 28 vdc are not
present, perform Steps (6)
through (8) below and go to
Step 2 of this Fault.
(b) If 22 to 28 vdc are present,
wire 1729 is OK. Perform
Step (6) below and go to Step 3
of this Fault.
(6) Turn OFF ENGINE switch.
(7) Connect connector to control manifold
lower control solenoid.
(8) Tighten connector screw and coat
head of connector screw with
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.
Adhesives, solvents, and sealing compounds
can burn easily, can give off harmful
vapors, and are harmful to skin and clothing.
To avoid injury or death, keep away from open
fire and use in a well-ventilated area. If
adhesive, solvent, or sealing compound gets
on skin or clothing, wash immediately with
soap and water.