We have all the information in a pdf in our secret files, and can release it if you ship your M66 AWD components to each moderator on this site, and two to Matthew.

Each motor has two wires only,so worst case you could just use a double pole, double throw center off switch to put the right polarity onto the motor and use your head and senses to control the limit switch.

A fuse could be used to limit the stop too, as a safety.