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TM 9-2320-364-20-2
2-1319
(1) Remove 15 screws and two ECB
covers.
(2) Connect positive (+) multimeter lead
to wire 1009 at stoplight circuit
breaker CB6.
(3) Connect negative (–) multimeter lead
to a known good ground.
(a) If 10 to 14 vdc are not present,
replace stoplight circuit
breaker (Para 7-16).
(b) If 10 to 14 vdc are present,
stoplight circuit breaker
CB6 is OK.
(4) Install two ECB covers and 15 screws.
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.
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