© 1999 Directed Electronics, Inc. Vista, CA 23
This system is found in Mercedes-Benz and Audi 1985 and newer. The door locks are controlled by an electrically
activated vacuum pump. Control wire will show +12V when doors are unlocked and (-) ground when doors are
locked.
IMPORTANT! The system must be programmed for 3.5 second door lock pulses.
DIA-94
15A
CHASSIS
GROUND
TO ELECTRIC
VACUUM PUMP
TO 12 VOLTS
X
X
H2/A
H2/B
H2/C
#87
#87a
#87a
#30
#30
H2/D
H2/E
H2/F
H2/G
H2/H
TO H1/12
RED/WHITE CHANNEL 2 RELAY INPUT #87
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)
BLACK/WHITE DOMELIGHT SUPERVISION INPUT #87
TO H1/4
TRUNK
RELEASE
DOMELIGHT
SUPERVISION
LOCK
UNLOCK
TRIGGER WIRE IN CAR
#87
CUT
X
X
CUT
type E: electrically-activated vacuum (type e)
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