Have seen this posted a few times with peeps asking, and thought I'd have a go and try a quick guide (hopefully it helps someone) first up the bits needed: obviously the switch and the bolt (cost all of 16.99 from local toyota garage) bull nose pliers (red handled one) crimping tool (blue handled one, cheap from halfords) screwdriver with a t-30 bit bits from halfords: small spade connectors (the red bits) crimp connectors (blue bits) 5 amp wire in red (smallest they had, colour not important