Thanks for the guide. I just fitted my 750S over the weekend. Only thing I would add is in the UK there is no spare power supply in the panel. In the UK that connector is connected to I think Ultrasonic sensors for the Car Alarm. After trying several other options I ended up running the power lead along with the Coax cable to the rear of the car and tapped into the 12v supply for the boot (or trunk!) opener.