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DIY Upgrade your Headlights/Harness

29895 Views 76 Replies 48 Participants Last post by  mrjdm
Ok so most people would love to have HID's but dont want to deal with the headache of them, well heres your solution.

First, go onto Ebay and search for H4 wiring harness and you find this




Tools/Materials needed

Now there can be variances on this. Id recommend shrink tube but i didnt have anymore in the right size You may also want a small straight screwdriver

First thing you want to do is remove the plug/bulb assembly


This is why im doing it. Honda packs them with grease and it somehow rots and what not


Next, snip off the plug
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Extend your wires out some and strip the ends
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Next, solder your three wires together, look at your old plug and figure out what goes where. On the Ebay harness, white is the middle prong black is left and blue is right.


Put a dab of dielectric grease in the plug to help taking the bulb in and out easier


Ok now choose your bulb. My bulb of choice is the PIAA GT-X plasma bulbs


Plug your bulbs in and test that it works correctly. If you switch the blue and black wires your high beams will come on when you turn the lights on.

After your sure that the connections are good, wrap the joints in tape or if you have shrink tube put it on.

For the drivers side if you have it, i recommend moving the PS resevoir and Crusie unit


And this is a shitty pic of the differnece. Ill get better night ones later
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any questions/comments are welcome also. I had this on my del sol also and lasted for quite sometime.
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lookin good but does not help me cool write up either way
Nice DIY! Another one on the list. How much did those bulbs set you back?

Have any before pics?
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i got the bulbs for about 40 bucks, you gotta look around for them on Ebay. As for before, the only pics i got are the one up there. I can get one though, my uncle also has a 97 i can get pics of if need be
what does this do? is it so you can run higher wattage bulbs safely?
well it does two things, it replaces the factory grease packed plug that i have ap ic of. The bulbs just gets stuck in there and its a major PITA. Second, it does allow the use of 100w bulbs if you'd like. THe plugs are ceramic and resist the heat and current from the higher power bulbs. The PIAA's are standard input but 135w High Beam output
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:TU: nice write-up man!

i did this on an older car of my brothers if i remember correctly. when people fail to squeeze the tabs when they change their bulbs they tend to fuck them up.
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nice write up
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thanks guys. im ordering some Sylvania Silverstar turn signals also to along with the lights. Im likin how everything is turning out with it
Good right up there buddy will be doing this soon and nice find as well
dang that's nice. i don't quite understand the magic though, i thought HID requires a ballast. this is true HID without the need for one? :confused:
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Nice write-up man it's good to see people doing these:bravo:
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dang that's nice. i don't quite understand the magic though, i thought HID requires a ballast. this is true HID without the need for one? :confused:
its just to allow a higher wattage bulb. (handle more heat)
yes, it looks like HID's though, well not exactly but damn close. Ill get some night pics tonight hopefully
I did this as well.... nice write-up man!
definitely good write and will keep this in mind to do eventually
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