Reverse Polarity Door Lock System

If there are three wires proceed to step 2.

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. Vacuum type door locks. To the coil of the respective relay. If there are four or more wires make the connections shown in diagram 4 for reverse polarity.

To lock or unlock the vehicle polarity is changed on one motor leg via a positive pulse from a switch alarm keyless entry etc. Both motor legs rest at ground at the relays. How to wire 5 wire reversing polarity door locks in early toyota and ford. 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.

If the vehicle is a nissan and it does not have a door lock. 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. All wires at the doorlock switch rest at ground with the exception of the 12 volt supply wire.