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TM 9-2320-364-20-2
2-1151
(1) Set multimeter select switch to volts
dc.
(2) Connect positive (+) multimeter lead
to wire 1189 at 24V relay R12
terminal 87.
(3) Connect negative (–) multimeter lead
to a known good ground.
(4) Turn ON ENGINE switch
(TM 9-2320-364-10).
(a) If 10 to 14 vdc are not present,
turn OFF ENGINE switch and
replace 24V relay R12
(Para 7-95).
(b) If 10 to 14 vdc are present, 24V
relay R12 is OK.
(5) Turn OFF ENGINE switch.
VOLTAGE TEST
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.
NOTE
Relay test must be performed with relay
partially removed.
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