How To Wire Door Lock Relays

3 wire positive door locks.

How to wire door lock relays.

Many people have replaced this elect. Nissan s single wire 91 95 using 2 relays type f on the 91 95 300zx and the 92 95 240sx locate the lock unlock wire in the driver s kick panel or door jamb. With a pair of needle nose pliers pull out the relay. Get the new relay out of its package.

Using a diagram locate the door lock relay. The doors will unlock. Door locks single pulse to lock and unlock negative pulse relay wiring diagram. 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.

It is your responsibility to verify any. The switch when moved in either direction applies both power and ground directly to motor legs without the use of any relays. Except at the switch in this case both motor legs rest at ground. This can be an inconvenience to the driver when trying to lock or unlock the vehicle.

This wiring information is being provided free of charge on an as is basis without any representation or warranty. Install the new door lock relay. Door locks 5 wire alternating 12 volts positive type c relay wiring diagram. Remove the old door lock relay.

In most cases you will not need to add relays for this type. Power door locks not working. If the door lock relay has any internal or wiring issues it can cause the door locks to function intermittently. The vehicle is a mercury mystique also known as a ford contour.

The door locks may function correctly one moment and in the next will cease to operate. When this wire is cut or opened the doors will lock. Go to the breaker panel on the wall next to the brake pedal. 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 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.

Type a and type b are the most common types of door lock switch configurations found in most vehicles.