If the test light illuminates when you probe the lock and the unlock wires your vehicle has a type a door locking system.
Type a door lock wiring.
To determine what type of door lock switch you are working with follow these three steps.
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.
Type a and type b are the most common types of door lock switch configurations found in most vehicles.
The most common type is the inner door lock which attaches to the top of the inner part of the cabinet and hooks into a piece you install on the door or vice versa.
Make sure to mark which wire is lock and unlock.
The smaller sizes are used for smaller holes.
Door lock controls activate the lock then the unlock testing both wires one at a time.
The larger sizes are used where stronger wire is required.
In most cases you will not need to add relays for this type.
Type a door lock diagram you are welcome to our site this is images about type a door lock diagram posted by maria nieto in type category on oct 30 2019 you can also find other images like images wiring diagram images parts diagram images replacement parts images electrical diagram images repair manuals images engine diagram images engine scheme images wiring harness images fuse.
If there are no external door lock.
Door locks 3 wire positive type a 5 alternating 12 a4946 car center lock wiring diagram pulse for alarm negative relay nissan s single 91 how to guides applications central locking motor a0c88 c keyless entry system door locks 3 wire positive type a relay wiring diagram door locks 5 wire alternating 12 volts positive type c read more.
Use the preferred sizes 0 020 0 025 0 032 of wire depending on the size of the hole in bolt.
3 wire positive door locks.
The door opens slightly to allow you to press down on the lock freeing the hook from the receiving part of the lock.
How to do a relay power door lock get the book at amazon.
Type b door lock test most imports some newer fords.