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© 2006 Directed Electronics
type E: electrically-activated vacuum
This system is found in Mercedes-Benz and Audi 1985 and
newer. The door locks are controlled by an electrically activated
vacuum pump. The control wire will show (+)12V when doors
are 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
H2/2
H2/3
H2/4
H2/5
H2/6
H2/7
note: The system must be programmed for 3.5-second
door lock pulses, and the violet jumper between the #87
lock terminal and the #87 unlock terminal must be cut.
Contact Directed technical support. See Programming sec-
tion.