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I did this 15 years ago on my '73. Used a cheap kit from JC Whitney. I have them connected thru my alarm system. Has worked fine ever since. The kit was just to simple actuators which had flat multiple hole bar stock which I was able to attach to the rod that hooks to the lock **** then anchored the other end to the door inner structure. As I have power windows I just put the wires thru with the PW wires. As I recall it was a fairly easy job. I had the interior apart anyway as I was updating it at that time.