I added a selenoid to the rear trunck release. I do have a problem on hot days though, the trunk lid becomes hot causing the selenoid to become hot and not pop fully. When it cools down it opens up fine. I'm just to lazy to get around to it right now. I just have to wrap it in some insulation and it should be fine.
I didn't convert it totaly to an electirc open. I still have the manual lever inside. I mainly use the electric pop for outside the car. I have it I have a kid and my hands are always full holding on to him and all his stuff.
Check this site out.
http://www.a1electric.com/popdoor.htm
You can e-mail them and they could probably give you more assistance.