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assuming you know how to remove the switch on drivers door.unplug wiring harness from switch.next use a 12 volt test light (inexpensive from local parts store)clip test light to good ground then touch point of tester to pins on harness plug end until light lites ,this is your hot feed to switch(if you cant find a hot feed make sure you have a good ground. to do this probe a known hot point ex.fuse panel drivers side until tester lites)now that you have found the hot feed wire to switch make a jumper wire jump from hot to other pins on harness, note which wire unlocks and which locks.basicly doing the same function as the switch.

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Q: How can you figure out whick wire make the door unlock and lock?
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