http://www.watsons-streetworks.com/wiring_accessories.html sometimes when I ask questions I kinda know the answer (on wiring) and sometimes it's just nice to have all things considered and a conformation from the guys who have done it. I found this book some three years ago and it's now in it's 8th printing. If you really want simplicity when wiring your truck or rod look no further than this pocket size informational guide.
relays to basic, switches, complete circuits, alternators, ammeters, elect. fans and windows, alarm, voltmeters, tips, a complete simple wiring diagram and more.
gooday
jim