HD Headlight Harnesses w/ 4 High Mod

Big_G87

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Hello I'm interested in a 4HI harness/ big 3 wires shipped to 75126. What bulbs will I need t install to run this setup?
 

kennythewelder

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Hello I'm interested in a 4HI harness/ big 3 wires shipped to 75126. What bulbs will I need t install to run this setup?
You need @5vortec7 to reply. He makes the big 3 kits. As for the headlight harness, he may make that too, I'm not 100% sure, but, you can also get that from other sources. LMC trucks may have them. As for bulbs, that's your choice. I am still running the OE bulbs on mine. The 4 high headlight mod, makes the light much brighter on high. I added an extra relay for the low beams, to improve the brightness of the low bes also. There are a ton of videos on YouTube about this mod.
 

Big_G87

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You need @5vortec7 to reply. He makes the big 3 kits. As for the headlight harness, he may make that too, I'm not 100% sure, but, you can also get that from other sources. LMC trucks may have them. As for bulbs, that's your choice. I am still running the OE bulbs on mine. The 4 high headlight mod, makes the light much brighter on high. I added an extra relay for the low beams, to improve the brightness of the low bes also. There are a ton of videos on YouTube about this mod.
Thank you that is exactly what I needed to know.
 

5vortec7

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Hello I'm interested in a 4HI harness/ big 3 wires shipped to 75126. What bulbs will I need t install to run this setup?
My harness uses the original 9005/9006 bulbs and has 3 relays, one for lows, one for highs and one to make the 4 high mod work. All plug and play into the stock headlight harness, no splicing and I use 12g wires. Just hook up the power supply, a ground and plug the drivers side stock high and low connectors into my harness and then my harness to headlights. I’ll send a pm to you.
 
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