4 Hi Headlight Mod

lol naw but were over 100 miles apart
i think u are safe

i tried this and it didnt work for some reason. i did it just like this. could my relay be bad? and i grounded it with a separate bolt on the rad support right by the battery where i mounted it.

I dont understand why you guys are doing it behind the headlight, i just went over to my driver side fender, found the wires in the harness and tapped into it there, and ran a power to the battery, Done.

I built my own "hi four" kit. If your running hi and low beam hids its easy to burn up the stock wires. I bought the heavy duty bulb sockets and built a relay box to pull power right from the battery as hids should.




Top two large posts are for positive and negative from the battery.
Two smaller top posts are hi and low beam signal wires
the posts on the side are for hi beam output and the other side low beam output.
I ran all new wires from each headlight directly to the side posts.
Also ran all four grounds to the top negative post on the relay box.
Installed a diode across the hi to the low beam relay to keep the low beam signal wire from kicking on the hi-beams during low beam use.
I still need to mount the fuse on the bottom but this set up is killer compared to the stock set up. Very easy to build

That's nice!

ive still gota do this mod, just havent had time

I used some wire that was probably over kill lol but it works. Would be easier to wire up with a relay socket. I guess i'd call it a true hi four hid setup. Its stupid bright with all four on

I did the same mod on my 91 but not as nice as that. Nice job

with all the people doing this mod now. I am doing the same mod again on another silverado I am going to post a how to so everyknow knows what they need for those who dont know much about wires. The thing i didnt like about the plug and play kit is that your using your factory wires and splicing into them. With everyone running HIDs the initial start up is probably pushing the limits of 15-20 year old corroded wires.

Ill probably build it with relay sockets to make it simple

If you're running a relay harness with the HIDs, which I do recommend, it takes that strain off of the stock wiring. As for corroded wires, well, I'm in Texas so I don't understand what that means.

I'm a lazy SOB and I got both of my pre-made hi-4 kits for $20...for the pair.