Reverse Polarity Door Lock System

Reverse polarity door locks this doorlock system has the factory doorlock switches wired directly to the motors in the doors.

Reverse polarity door lock system.

Both motor legs rest at ground at the relays. Door locks actuators reverse polarity positive switch trigger type d relay wiring diagram. How to wire 5 wire reversing polarity door locks in early toyota and ford. 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.

If there are three wires proceed to step 2. When the doorlock switch is activated one of the circuits is opened and 12 volts is sent to the motor to lock or unlock the. Found mostly on mercedes benz vehicles the movement of the door lock actuators is controlled by a central vacuum pump. Vacuum type door locks.

If there are four or more wires make the connections shown in diagram 4 for reverse polarity. All wires at the doorlock switch rest at ground with the exception of the 12 volt supply wire. To lock or unlock the vehicle polarity is changed on one motor leg via a positive pulse from a switch alarm keyless entry etc.