HELP needed hella lights

They didn't come with one? It's really pretty simple. black goes to ground, white or red goes to power. you will probably want to put in a relay to avoid melting your switch. Just follow the wiring diagram on the side of the relay. YOu can get the relay at advance or probably even wally world. You'll also want to put it on a circuit that is only powered with the key on so as to prevent battery drainage.
 
Yea, I did that too when I was in High school and the switches would get so hot the insulation on the connectors melted.
 
The relays at the auto parts store are easy to install, they are labeled on the relay as to what wires to hook where, highly recommended for any after market lights. Like they said before you will burn up just about any switch you try to put inline, could potentionaly become a fire hazard.

I believe I used a 40 amp relay
 
Your typical bosch style relay is only rated 30 amps... but they can handle more than that. It doesn't matter anyway it would take you about 8 lights to kill one. Don't wire them any other way than through a relay, it's really simple, safer, and most times keeps your lights brighter.
Anyway, here's your diagram
awww.explorerforum.com_photopost_data_503_18205Hella_Wiring_WEB1.jpg


They pull their switching power from the high beam pos (or neg, depending on the vehicle) then go through a switch. I always just skip the switch and whenever the hi beams come on, so do the driving/fog lights. It also keeps everything in the engine bay.

If you just want to be able to switch them on and off independent of the headlights, get your power source for the switch from some 12+ switched lead in the truck.
 
good clear diagram, like the color seperation. What's it drawn with?
 
I just pulled it from yahoo images. Looks like it was drawn in mspaint. It does give a decent understanding of relays though. Just change the load, switching, and supply terminals for whatever you want to use it for.
 
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