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...
I have a friend who used to drive an EK. Theres a light on the right on the dashboard which will on when the VTEC open. Any idea how to do this? Roughly how much will it cost and where...