Just completed a keyless remote entry install on my daughters 84.
I bought a "system" off eBay for about 18.00. It consisted of two keyless remotes, wiring harness and control box. The instructions were decent and somewhat straightforward.
For the constant 12 volt source I used the clock plug from the fuse box, it has a little female connection that was unused. Ground was a screw on the firewall. After finding the relays to my factory power locks (above the gas pedal) I used a test light to see which wires were activated when pushing lock and unlock on the door lock switch.
The wires I spliced into for my new "system" are located on the drivers side under the dash just above the kick panel and right next to the lower A/C vent. Its a three wire plug consisting of orange/blk tracer, light blue, and black/white tracer wires.
The orange/blk wire is the constant 12volt source for the new control box to operate the relays or I guess energize them. The light blue wire and black/white tracer wire are for the actual "lock" and "unlock" connection to the new control box.
I took me a little while to get all this straight since I don't have a wiring diagram, but it works great and I thought I would pass along the information.
I opted not to have my running lights blink when using my keyless remote.
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