Grips from here:http://www.ebay.com/itm/172289050588...%3AMEBIDX%3AIT They are a dealer, and he has great customer service.
The USB was here: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
The light switch was here: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
Perfect factory direct plug on the switch. I used the hot and ground from the dummy plug for the USB. Red and black wire came out and plugged right into the USB.