make sure you have a kick *** set of wire crimpers too..
http://www.amazon.com/gp/product/B0002STTTI/?tag=fabo03-20
may as well get the plug wire jaws too..:)
http://www.amazon.com/gp/product/B000GTJA56/?tag=fabo03-20
don't forget heat shrink. (good stuff not that pep boys garbage..) this double wall is nice stuff..
http://tiewraps.com/dualwall.html
electrical tape
tie down straps
all the connectors to rebuild your light sockets.
misc connectors to rebuild your stock sockets if need be. i rewired my wiper sockets and probably would have done the heater plugs if i was going to stick with the stock heater.