Definitely going to install a battery connection on the car that I can get to with the hood and and doors locked. That was an awesome idea.
After doing some digging around on the site I came up with this helpful wiring diagram.
From everything that I can come up with the motors are grounded by attaching them to the door frame. There is constant hot going to the lock/unlock switches. When you hit lock or unlock it sends positive voltage to one side of the motor or the other. Depending on the side it either locks or unlocks the doors. Simple enough. The kit that I bought sends an impulse signal, but it can take the voltage, so you need a relay. I found this diagram for wiring up the relays.
Edit. I removed this diagram so that I didn't forget to in the future and accidentally cause someone else down the road confusion. The diagram in the link are good reference material so I'll leave the link.
Here is a link to the website.
https://www.the12volt.com/doorlocks/multiple-wire-car-door-locks.asp#5w
Soooo, last night I wired the relays up as shown above and spliced them into the factory wiring harness. Keep in mind that my harness had already been hacked before it got to me, so I wan't doing any new damage. I wasn't trying to do the permanent install, just see if I could get the unit to lock and unlock the doors. The factory harness wire is #10 or #12 wire intended to carry a higher load. All I had on hand was some #16. The intent was to use it once or twice then do the permanent install with heavier wire. Long story short it didn't work. When I hit the drivers side lock button in the car it straight smoked the wires on the relay, burned the rocker switch up and locked both door lock actuators in the locked position. Thank God I had the good since to open the doors before experimenting. When I get home tonight I'm going to dig further into it to see what happened and to figure out the replacement parts list. Any idea what I did wrong? My car is a 92 if it makes a difference.
Once I get this all straight and working I'll take some good pictures of the end product so that people can see what wires get cut and how to wire the relays. Drawings are nice but pictures really help.