Vacuum type door locks.
Reverse polarity door lock system.
If there are four or more wires make the connections shown in diagram 4 for reverse polarity.
To the coil of the respective relay.
Door locks actuators reverse polarity positive switch trigger type d relay wiring diagram.
If there are three wires proceed to step 2.
All wires at the doorlock switch rest at ground with the exception of the 12 volt supply wire.
If the vehicle is a nissan and it does not have a door lock.
Both motor legs rest at ground at the relays.
Determining the door lock system type 1 remove the door lock switch on the driver s side of the vehicle to reveal the switch wires.
To lock or unlock the vehicle polarity is changed on one motor leg via a positive pulse from a switch alarm keyless entry etc.
Reverse polarity door locks this doorlock system has the factory doorlock switches wired directly to the motors in the doors.
How to wire 5 wire reversing polarity door locks in early toyota and ford.