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© 2006 directed electronics
type E:electrically-activated vacuum
This system is found in Mercedes-Benz and Audi 1985 andnewer. The door locks are controlled by an electrically activatedvacuum pump. The control wire will show (+)12V when doorsare unlocked and (-) ground when locked.15A
CHASSIS
GROUND
TO ELECTRIC
VACUUM PUMP
TO 12 VOLTS
X
X
#87
#87a
#87a
#30
#30
WHITE/BLACK LOCK #87A NORMALLY CLOSED
GREEN/BLACK LOCK #30 COMMON (OUTPUT)
VIOLET/BLACK LOCK #87 NORMALLY OPEN (INPUT)
BROWN/BLACK UNLOCK #87A NORMALLY CLOSED
BLUE/BLACK UNLOCK #30 COMMON (OUTPUT)
VIOLET UNLOCK #87 NORMALLY OPEN (INPUT)
LOCK
UNLOCK
TRIGGER WIRE IN CAR
#87
CUT
X
X
CUT