(1) Disconnect connector MC29 from crane
(2) Connect positive (+) multimeter lead to
connector MC29 terminal D.
(3) Connect negative () multimeter lead to
a known good ground.
(4) Turn ON ENGINE switch
(a) If 22 to 28 vdc are not present,
perform Step (5) below and repair
wire 1731 (see schematic Fig
2-76) or notify DS Maintenance.
(b) If 22 to 28 vdc are present, perform
Steps (5) and (6) below and go to
Step 8 of this Fault.
(5) Turn OFF ENGINE switch.
(6) Connect connector MC29 to crane
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.