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Old 07-09-2010, 01:42 PM   #1
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TJ H4 to HID conversion questions..

I am getting ready to upgrade to HID headlights. I am looking at ordering this kit

HID Kits, BMW Aftermarket Bumpers & Lighting, DEPO - DDM Tuning

I already have the Delta H4 conversion lenses.

My question is this.... Will I need to order the HID harness in the link, or does the kit come complete with ballasts, bulbs, and harness wires?

Thanks for the help.

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Old 07-09-2010, 02:36 PM   #2
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to truly have a real HID system you need housings with the proper reflectors, adding just the bulbs to the delta housings will not make a whole lot of difference. i have the hyper white xenon bulbs in my delta housings and they are much better than the H4 bulbs it came with.

i believe that the kit you are looking at is made to upgrade a BMW headlight setup.

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Old 07-09-2010, 05:16 PM   #3
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A buddy of mine ordered HID's from Xenon light Hid kit Hid light Hid headlights Bulbs Ballasts Car parts for his truck and just replaced the bulbs with the HID's and also his fogs and it was amazing the difference it made, and the prices didn't look too bad either. Gonna do mine in the near future
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Old 07-09-2010, 09:29 PM   #4
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The DDM kit is complete and is plug & play. I have it. No extra harness is needed. The best lenses for HID are E-code. Here is a long thread. Most of the recomendation is for DDM and e-codes (Hella or IPF) H.I.D.'s on my TJ = WOW! - JeepForum.com
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Old 07-09-2010, 09:54 PM   #5
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Don't forget Cibie's... One of, if not THE best H4 lense out. Get those from danielsternlighting.com

I personally have the Hella e-code's which are hard as hell to find but I love them. They are second best as far as the light spread and having a clean light cutoff (no blinding glare).

IPF's are easy to come by and priced decent. Should also work very well for what you are doing.

I am fairly certain those delta lenses are only DOT complaint, and with that said, you will be blinding people if you choose to put in HID's.
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Old 07-09-2010, 10:02 PM   #6
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Old 07-09-2010, 10:10 PM   #7
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The DDM kit is complete and is plug & play. I have it. No extra harness is needed. The best lenses for HID are E-code. Here is a long thread. Most of the recomendation is for DDM and e-codes (Hella or IPF) H.I.D.'s on my TJ = WOW! - JeepForum.com
That was pretty much my main concern, if I needed an additional harness or not. It seems as though it's a complete kit, and the install doesn't look too bad.

What color did you go with?
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Old 07-09-2010, 11:40 PM   #8
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Sweet! Nobody had them when I bought mine a couple years ago... Had to wait for a set to pop up on ebay. Good price there to, even for quadratec.
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Old 07-10-2010, 06:22 AM   #9
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55w 6k. It's pure white, no blue.
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Old 07-13-2010, 11:32 AM   #10
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Does the DDM kit come with a harness that connects to the battery? I want to be able to use my stock light switch in the dash.

55w, 6,000K kit, but dual beam or bi-xenon?
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Old 07-13-2010, 01:26 PM   #11
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DDM's kits utilize the OEM harness, you use your OEM switch. They are the best bang for the buck in aftermarket HID's. buy direct from them...

I will advise anyone who is looking at doing this to NOT do it, unless you change over to a projector headlamp. reflector style housings don't have the proper cut off for HID"s and will blind oncoming motorists.

Some say that reflector housings can do the job. I respectfully disagree. No OEM company can make reflector housings that don't blind people....so I don't think its possible. The light distribution is key here.
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Old 07-13-2010, 01:50 PM   #12
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Read the JF thread and see the pictures. European E-Code lamps have a very defined cutoff which is what I and many others have. Projector housing are actually not appropreate for high beams. That why many vehicles with HID have conventional reflector high beams.
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Old 07-14-2010, 08:04 AM   #13
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With most of the HID 'upgrades' the use of any housing designed for halogen bulbs is a compromise. Alignment of the bulb to the reflector reflector and adjustment are critical.
For street use, most put out way too much stray light because the shadow caps in a halogen housing are just not designed to restrict light output enough and bulb alignment is marginal at best.
They are very bright, up close, but most fall off on distance viewing compared to properly designed halogen lens/reflector combination's or true, (designed for HID), HID units.
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Old 07-14-2010, 10:41 AM   #14
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Originally Posted by h4lights View Post
With most of the HID 'upgrades' the use of any housing designed for halogen bulbs is a compromise. Alignment of the bulb to the reflector reflector and adjustment are critical.
For street use, most put out way too much stray light because the shadow caps in a halogen housing are just not designed to restrict light output enough and bulb alignment is marginal at best.
They are very bright, up close, but most fall off on distance viewing compared to properly designed halogen lens/reflector combination's or true, (designed for HID), HID units.
Thank you.

I definitely couldn't have said it better myself.
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Old 07-15-2010, 12:55 PM   #15
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So the IPF housing a good unit to use?
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Old 07-16-2010, 08:55 AM   #16
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IPF is one of the "big 3" among Jeepers (HID and Halogen)

Cibie is argued to be the best, but the price is double the other two. (IPF and Hella being the other two)
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Old 07-17-2010, 09:22 AM   #17
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Right now there are some Bosch housings on the market that are as good or better than the Hella but at a lower price. Remember that a quality bulb makes a difference too. I always try to tell everyone to buy the best they can afford. Try to reach your goal by learning as much as possible about what you really want to accomplish.
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Old 04-20-2011, 07:10 PM   #18
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Quote:
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With most of the HID 'upgrades' the use of any housing designed for halogen bulbs is a compromise. Alignment of the bulb to the reflector reflector and adjustment are critical.
For street use, most put out way too much stray light because the shadow caps in a halogen housing are just not designed to restrict light output enough and bulb alignment is marginal at best.
They are very bright, up close, but most fall off on distance viewing compared to properly designed halogen lens/reflector combination's or true, (designed for HID), HID units.
Really. I have to say that my HID experience has been great. I am never going back to incandescent lights. I can see at least 10 times better and much further down the road than I ever had before the HID upgrade.
As you say, it may be a compromise in HID technology, but compared to the Jeeps one candle power headlight from the factory, it is a colossal upgrade.
I am happy with mine and am in the process of upgrading my other vehicles. You can say all you like. I know mine are better now then they ever were. And it didn't cost an arm and a leg. To each his own!
Another thread with my kit info.
My HID lighting experiences....
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Old 04-21-2011, 05:46 PM   #19
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Hehe. Good to see my thread on the other forum referenced here. You just need housings and the kit. And some patience adjusting them. Read my thread it should answer all your questions.

http://www.jeepforum.com/forum/f9/h-...tj-wow-842999/
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Old 05-13-2012, 08:38 AM   #20
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Are those the h4-2 or h4-3?
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Old 05-13-2012, 08:50 AM   #21
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The DDM kit is complete and is plug & play. I have it. No extra harness is needed. The best lenses for HID are E-code. Here is a long thread. Most of the recomendation is for DDM and e-codes (Hella or IPF) H.I.D.'s on my TJ = WOW! - JeepForum.com

I have also purchased from DDM, it was for another vehicle, but the kit does come complete if you order the Hi/Low option. Kit is good, but may take a while to get to you (my experience...). I bought a spare set of bulbs as well...but the ones I have have been in use for two years without issues. Make sure that you wire power to battery and use the relay. Enjoy, the light output is literally...like night and Day
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Old 05-13-2012, 05:09 PM   #22
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K I have hella h4 7" round housing already on my jeep. (checked it this morning). So if anyone can suggest a conversion kit that would be greatly appreciated. 35w or 55w? Bulb type (pretty sure it's H4-3)
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Old 05-13-2012, 05:24 PM   #23
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Any thoughts on the Chinese specials on eBay?
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Old 05-13-2012, 05:30 PM   #24
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Any thoughts on the Chinese specials on eBay?
You get what you pay for! Be proud, buy MADE IN USA!
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Old 05-13-2012, 09:34 PM   #25
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You get what you pay for! Be proud, buy MADE IN USA!
lol. even if you aren't in the USA.

You should be fine w ebay. Just do your research on the seller first (history/warranty/etc). That's where I got mine. No issues to report.
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Old 05-14-2012, 05:17 AM   #26
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lol. even if you aren't in the USA.

You should be fine w ebay. Just do your research on the seller first (history/warranty/etc). That's where I got mine. No issues to report.
Which package did you get ? The 35w or the 55w? Which bulbs h4-3? Cheers for any info
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Old 05-15-2012, 08:49 PM   #27
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Which package did you get ? The 35w or the 55w? Which bulbs h4-3? Cheers for any info
I have both (35W and 55W), it's the ballast that is different...bulbs are all rated at 55W. I have 55W set up in my wife's minivan, and I have 35W in my Hummer H2. just remember that if you use 55W, the color will be a little washed out...6000K will look more like 5000K'ish. If you are looking for the blueish hue and want 55W, get the 8000K bulbs, for 35W get 6000K. The 55W lights are approximately 4-5 times brighter than the 35W and may get you noticed by Law Enforcement... but so far I personally have not had an issue.

One more thing, re-aim the headlights if you are using housings made for Halogens, they create glare to oncoming drivers if not re-aimed downwards. I've heard people talk positively about Hella e-code housings for use with HID setups...I myself have not tried this, but will be giving these a try when I put a kit into my TJ.
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Old 05-16-2012, 07:24 PM   #28
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K, ordered a H4-3 55W HID kit (with ballasts). I'll keep ya posted once they arrive and installed
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Old 05-18-2012, 03:13 PM   #29
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K, ordered a H4-3 55W HID kit (with ballasts). I'll keep ya posted once they arrive and installed
Just a tip that I got from someone else when doing mine on my other cars - order the kit with the relay and get your 12V source from the battery through relay rather than through the existing harness. This will help eliminate any potential flickering upon startup.

DDM has some good wiring diags on their site...

Hope that's helpful for you - looking forward to the pics.

Cheers.
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Old 06-02-2012, 08:46 PM   #30
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K installed the 55W 6000k HID bi-xenon kit. The headlights are now bullsh*t bright. On start up the bulbs will charge up becoming brighter with every flicker. I have the relay set up and voltage from the battery.
One concern. If I shut my lights off (while engine is running) there is a lag when I turn them back on. It's not instantaneous like when I first turn them on. Almost like its got to "charge up". Has anyone else experienced this? If so is it normal for this set up? Is there a solution?

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