Is this what you want? They have already made cables and just the connectors themselves for $5 if you want to really start from scratch.
http://multiplex-engineering.com/products.htm
To save time, maybe just get this below. It's for 1gens. For $25+9, might be worth it just for the sake of not having to dink with rounding up parts and stuff.
http://cgi.ebay.com/ebaymotors/ws/eB...spagename=WDVW