(1) Disconnect harness connector MC88
from proximity switch (hook arm
(2) Set multimeter select switch to
(3) Connect positive (+) multimeter lead
on wire 1472 at harness connector
MC88, terminal A.
(4) Connect negative () multimeter lead
to a known good ground.
(5) Turn ON ENGINE switch.
(a) If there are not 22 to 28 vdc
present, turn OFF ENGINE switch
and repair wire 1472 (see
schematic Fig 2-52) or
notify DS Maintenance.
(b) If there are 22 to 28 vdc present,
wire 1472 is OK.
(6) Turn OFF ENGINE switch.
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.