So I got this done this weekend. I used the 5-pin relay already there for the key fob mod. Instead of using the always on power from there I ran an additional ignition dependent power supply. By doing it this way it take the key being on and two pushes of the button to activate the door. The first push powers the relay and the second activates the rear door solenoid. Got it all hooked to the dash lights and it works great. Key off uses OEM door lock switch. Key fob unlocks both doors on 1st push and 2nd push releases the rear door. With the key on the OEM door lock switch does not activate the rear door. Thanks for all of your help Mark.
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