(1) Set multimeter select switch to
(2) Connect positive (+) multimeter lead
to wire 1871 at ATEC oil pressure
(3) Connect negative () multimeter lead
to a known good ground.
(4) Start engine (TM 9-2320-364-10).
(a) If 10 to 14 vdc are not present,
turn OFF ENGINE switch
and repair wire 1871 (see
schematic Fig 2-41) or notify DS
(b) If 10 to 14 vdc are present,
wire 1871 is OK.
(5) 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.