3 wire positive door locks.
Type a door lock wiring.
Use the preferred sizes 0 020 0 025 0 032 of wire depending on the size of the hole in bolt.
Make sure to mark which wire is lock and unlock.
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.
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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.
The smaller sizes are used for smaller holes.
Locate the harness plugged directly into the back of the door lock switch.
The wire diameter used is 0 020 or 0 025.
If the test light illuminates when you probe the lock and the unlock wires your vehicle has a type a door locking system.
If there are no external door lock.
Type b door lock test most imports some newer fords.
The door opens slightly to allow you to press down on the lock freeing the hook from the receiving part of the lock.
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.
How to do a relay power door lock get the book at amazon.
Next with your multi meter probe each of the wires in this harness and write down the.
Door lock controls activate the lock then the unlock testing both wires one at a time.
Type a and type b are the most common types of door lock switch configurations found in most vehicles.