Yes. They unplug under the rear seat hump. Dont cut any wires.
Your a premier member mate, as soof says dl the service manual.. you said you will make your own, you could post up your progress on here, that would be quite interesting for anyone looking to do same, tho I doubt there's a lot of members on here with the equipment to make one..I.E press brake, would rule me out straight away lol..
Post up your work if you can.
Stuart