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Type D: After Market Actuators
■
If the car has no power door lock system, actuators will need to be installed.
■I
f the car has power door locks, but no push button switch (centrallocking) anactuator
may need to be installed in the drivers door only.
■
Central locks generally only lock/unlock when the drivers door is locked/unlocked
with the key or the lock button on the driver door is moved. Central
lock have no motor in the driver door.
■
Adding an actuator will work for central locking and vacuum type systems. Vacuum
lock systems are common in some European vehicles.
Type E: Vacuum pump type
■ Usually the door locks are locked and unlocked by using the key or "plunger" on a door
- often working only from the drivers door. These types of systems are found mostly
in German cars.
■ There are two ways to lock/unlock the door of a vacuum system - by using an actuator as
per "Type D" or by following the diagram below.
16
v4.2
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