Reverse Polarity Door Locks

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.

Reverse polarity door locks vacuum type door locks mercedes vacuum door locks toyota child safety locks. Rather than replace the locking knob with a closet knob simply reverse the doorknob placing the lock on the outside so little fingers can t lock themselves in where they do not belong. Adding a keyless entry or alarm system on your ride can be a real pain. Be sure the lock is being powered by a dc source and that polarity is correct red to positive dc black to negative dc.

Neon 4 piece kit complete undercar kit green. Reverse polarity door locks this doorlock system has the factory doorlock switches wired directly to the motors in the doors. If there are four or more wires make the connections shown in diagram 4 for reverse polarity. In this video i break down what needs to be done and how the circu.

If the vehicle is a nissan and it does not have a door lock switch find the single wire in the dri. In this case both motor legs of the door locks are normally open. To the coil of the respective relay. They neither rest at ground or 12v.

If there are three wires proceed to step 2. Both motor legs rest at ground at the relays. If the magnalock is wired in reverse polarity it won t be damaged but it will not operate. 4 wire reversal door locks.

But worry no more. 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 doors. All wires at the doorlock switch rest at ground with the exception of the 12 volt supply wire. If the unit continues to appear dead it must be electrically checked with an ammeter.

Spal linear actuator 8 inch 129 99. The switch when moved in either direction applies both power and ground directly to them without the use of any relays.