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) Set multimeter select switch to ohms.
(2) Is there continuity between relay R51,
terminal 85 and known good ground?
(a) If there is no continuity, notify
(b) If there is continuity, repair wire
1496 between connector MC190,
terminal A and connector MC185,
terminal G (see schematic
Fig 2-80) or notify DS Maintenance.
(3) Install relay R51 (Para 21-23).
(4) Position CHU control cover on box and
tighten four screws.