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TM 9-2320-364-20-2
2-949
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) Set multimeter select switch to volts
dc.
(2) Connect positive (+) multimeter lead
to wire 1021A on NEUTRAL relay
R11, terminal 87.
(3) Connect negative (–) multimeter lead
to a known good ground.
(4) Turn ENGINE switch to START
and observe multimeter.
(a) If 22 to 28 vdc are not present,
turn OFF ENGINE switch and
replace NEUTRAL relay R11
(Para 7-95).
(b) If 22 to 28 vdc are present,
NEUTRAL relay R11 is OK.
(5) Turn OFF ENGINE switch.
VOLTAGE TEST
NOTE
Relay test must be performed with relay
partially removed.
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