I just completed this mod on a customers truck not too long ago so I thought it would be nice to share the knowledge.
I start by removing the door panels, and mounting the solenoids inside the door skin. This is the style of kit that uses a steel cable to pull the latch, so the easiest place to mount the solenoids is in the jam, as low as possible. You then need to mark and drill where its going to be bolted, and then mock it up. Heres a good shot from outside of the placement:
I start by removing the door panels, and mounting the solenoids inside the door skin. This is the style of kit that uses a steel cable to pull the latch, so the easiest place to mount the solenoids is in the jam, as low as possible. You then need to mark and drill where its going to be bolted, and then mock it up. Heres a good shot from outside of the placement: