okay ran the wires thru the fire wall hooked everything thing up yet theres still no light! what am i doing wrong
Ok Bozo! So you want to run the hella's with the High beams? with a switch? or both?
Mount a relay near the battery, Run a fused wire from the battery positive to the relay's terminal 30, now run a wire from terminal 87 to the positive lead on your Hella's. Now run the ground lead of the Hella's to the mount(with a star washer).
To turn on the lights, you'll need to trigger the relay, you'll need to run a Positive and negative to the relay terminals 85 and 86.
The head lights are always hot/live and use a negative/ground to light up the head lights.
So run 86 or 85 to a hot(you can loop it to the #30 from the battery +), now run the unused terminal(86 or 85) to the headlight trigger(or the switch in the cab)
One side of the switch to ground, the other to the relay.
The relay terminal 85 and 86 is a electric magnet, when given power they move a rod and connect terminal (close a switch)30 to 87.
Here's a pic of a relay I used for my Horns(same idea).
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under hood-2 by
MyWeirdStuff, on Flickr[/IMG]