Hi im going to fit a kill switch to my car but im not very clued up with switch's. bassiclly im after a magnetic switch that needs a magnet and will hold a small magnet in place for it to work through a door card or dashboard.

http://www.ebay.co.uk/itm/Miniature-...#ht_1623wt_905

somthing like this, but this i dowt would hold a magnet.