How To Wire Relays For Power Door Locks

The mechanical latching relay only requires it s coil to be momentarily energized to change and maintain the opening or closing of it s contacts.

How to wire relays for power door locks.

When the switch is not being pressed in either direction then the black and light blue wire will be in a disconnected state. Door locks 5 wire alternating 12 volts positive type c relay wiring diagram. Except at the switch in this case both motor legs rest at ground. The spdt relay will provide a dedicated negative output for lock when the coil is energized and a dedicated output for unlock when it is not energized.

The pole of the switch should connect to ground and the other two terminals of the switch should independently connect to pins 85 and 86 of each relay. Apr 28 2017 5 56am. When you look in the fuse box you have three relays that work the power locks. The switch when moved in either direction applies both power and ground directly to motor legs without the use of any relays.

3 wire positive door locks. Remove the old door lock relay. Type a and type b are the most common types of door lock switch configurations found in most vehicles. Install the new door lock relay.

Using a mechanical latching relay like the pcb latching relay pictured here you can use a single negative output to alternately lock and unlock the doors. Nbs started in 1999 for the light duty and 2001 for the 1 ton. Facing the box you have two relays on the left side one on top of the other. Locate the relay next to the cluster of different relays and solenoids.

Find the door lock relay. How to wire power door lock actuators and power window kits here is an easy setup for anyone to use in any vehicle without the use of any relays the door loc. Most of the newer alarms and keyless entries on the market today have both positive and negative 200 ma door lock outputs that are usually capable of activating the factory relays. Get the new relay out of its package.

The door lock relay is located under the center of the dash. Power door locks and relays.