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.
Circuit breakers CB5, CB6, CB12, CB20, CB22, CB23 and relays R3, R13 - R19, R26, R28, R32, R33
are always electrically hot and can cause severe injury to personnel. Care must be exercised when
working under the electrical circuit board cover.
(1) Connect positive (+) multimeter lead
to wire 1517 at ATEC oil
(2) Connect negative () multimeter lead
to a known good ground.
(3) Start engine (TM 9-2320-364-10).
(a) If 10 to 14 vdc are not present,
turn OFF ENGINE switch
and replace ATEC oil pressure
switch (Para 7-60).
(b) If 10 to 14 vdc are present,
ATEC oil pressure switch is OK.
(4) Turn OFF ENGINE switch.