u dun go by sungai besi....entrance nilai(KLIA),then exit at Batu3 toll.
then there is a traffic light after the toll,turn right and go straight heading to shah alam,u'll see batu3 stadium on yur left hand side.
Not much of a DIY tutorial. I just mod a 4 spoke mitsu steering wheel that has a bigger brass horn contact by adding old brass contact from my 3 spoke lancer steering which got cracks and sunburn. Used some copper...