Allright well i've been looking through a bunch of electrical stuff for rewiring my k5 so i thought i'd share some of the info on relays i've found. Relays are used when you have offroad lights, starting systems, etc. , or when you are wiring up something with a large amount of current. the switch turns on the relay and then the relay turns on the accessory

http://www.airheads.org/content/view/159/49/

http://www.r1200gs.info/howto/relay.html
>that one gives good info on how to wire one up.

http://www.mp3car.com/vbulletin/faq-...w-wire-up.html

 

the12volt.com

Most specifically... the12volt.com --> Relays

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thats another great one for relays too