How To Wire Door Lock Relays

When the key is turned to the ignition on position the doors will only lock automatically if the doors are closed.

How to wire door lock relays.

This is a three wire system with an additional wire that must see ground during unlock for all of the doors to unlock. Using a pair of needle nose pliers pull out the old relay. If the vehicle has a positive door trigger change terminal 85 of the left relay to ground and connect the door trigger to 86 as shown. 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.

Locate the child safety wire in the same harness as the lock and unlock wires. 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. On the 91 95 300zx and the 92 95 240sx locate the lock unlock wire in the driver s kick panel or door jamb. For those located under the dash in the middle of the cab behind the stereo.

Except at the switch in this case both motor legs rest at ground. Door locks single pulse to lock and unlock negative pulse relay wiring diagram. When this wire is cut or opened the doors will lock. For auto unlock see next.

Locate the door lock relay. Remove the old door lock relay. The switch when moved in either direction applies both power and ground directly to motor legs without the use of any relays. Find the door lock relay.

This wire will be different colors in different models and will show ground until the lock from the switch is activated. This wiring information is being provided free of charge on an as is basis without any representation or warranty. How to wire automotive spdt relays. Remove the panel that covers the area under the stereo.

Door locks 5 wire alternating 12 volts positive type c. When this wire is grounded. It is your responsibility to verify any.