hi sound for that mate i sussed it any way,also connected my new head unit luckily the same connectors however afteet installed worked brilliantly went to go out of the car and lock her up,but key fob didnt work.then the alarm wouldnt stop going off,so i re connected standard head unit and then it all worked again key fob etc. so how would i stop it from messing the alarm up? do i have to wire it up to my new headunit/ any ideas would but much appreciated.