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POWER DOOR LOCK WIRING
3 PIN DOOR LOCK PLUG:
PIN 1: GREEN:
Sends a (-) Negative pulse for LOCK; Sends a positive pulse for UNLOCK
PIN 2: RED:
+12V Coil Power for external relays TERM 86. (If needed.)
PIN 3: BLUE:
Sends a (-) Negative pulse for UNLOCK; Sends a positive pulse for LOCK
DETERMINING DOOR LOCK TYPE:
There are several types of door lock systems in vehicles today. Below is listed the many types of common
locking systems:
Negative trigger: Most Japanese; Ford, New GM
Positive trigger: Many GM; Some Dodge/Chrysler/Plymouth
One wire dual voltage: Newer Dodge/Chrysler/Plymouth; Ford Probe
Reverse Polarity: Dodge/Chrysler/Plymouth; GM; Ford
Ground/open: Some Nissan; Subaru
Semi-automatic: Older Saab and Volvo
Electric vacuum pump: Pre 1995 Mercedes-Benz
NEGATIVE TRIGGER DOORLOCK WIRING
POSITIVE TRIGGER DOORLOCK WIRING
GREENGREEN
REDRED
BLUEBLUE
DIODES
FACTORYFACTORY LL
LOCK
LOCK
POWERPOWER
LOCKINGLOCKING
ULUL
RELAYSRELAYS
UNLOCK
UNLOCK
FOR ADDITIONAL DIAGRAMS - SEE PAGE 11
IN4001
DIODES
IN4001
DOOR LOCK DIAGRAMS WITH FACTORY RELAYS
WARNING: You must determine the type of locking system the vehicle has before connecting
any wires. Incorrect connection will result in damage to the remote start and/or vehicle locking
system. Use 1-amp diodes as shown in the diagram below when tapping into a Factory
Positive or Negative door lock system to protect the output transistors against a dead short
from some types of Factory locking systems.