[DIY] Change Low Beam Headlight to LED - Hyundai Ioniq Forum
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post #1 of 41 (permalink) Old 04-08-18, 09:12 AM Thread Starter
Cha
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[DIY] Change Low Beam Headlight to LED

This is a @nateads style [DIY]. Without his post here I will not be able to do this. Thanks a lot @nateads .

This MOD is for ioniq that doesn't come with HID lamp (Blue and SEL in the U.S.)

*Disclaimer: I am not responsible for any damage that occurs to your vehicle if you decide to follow this procedure. I attempted to remove and install new bulbs the easiest and best way possible, but everyone's vehicle may be different in respect to parts being seized or flaws in manufacturing or quite simply using brute force when you shouldn't be.*

*Tools Needed*
1. Rubber Gloves
2. H7 LED bulbs (2 bulbs). Beam pattern is a very important concern when changing headlight. Do your research and choose your LED bulbs wisely.
3. Warm weather, heat gun or hair dryer, if you have to do this mod in cold weather.
4.TOMALL H7 LED Headlight Bulb Retainers Holder Adapter for Hyundai 2017 Mistra New Tucson KIA Carnival
5.3D printable Extended dust cap
6.Screwdrivers
7.Electrical Tape and/or shrink tube
8.DIY plastic holder removal tools (will show you haw to make this later).

Step 1.
Make sure car is off.

Step 2.
Find headlight dust cap which is located under the hood, behind the headlight housing. The low beams are the furthest and unfortunately the hardest to get access to.

Step 3.
Rotate the cap in a counter-clockwise direction. Their is a rubber seal that will make it feel tight, but it will move slowly. The cap rotates 45 degress then will stop.

Step 4.
Use finger nails or something thin to pull the cap from the headlight housing as rotating it will not pull it away from the housing.

Step 5.
Make a DIY plastic holder removal tool. I use plywood scrap and two wood screw place them 20mm (3/4 inch) apart from each other.


Step 6.
Use the DIY tool to remove the plastic holder by turning it 45 degree counter-clockwise.

Step 7.
Ware a glove, pull the plastic holder out of the housing and remove the halogen bulb.

Step 8.
Dissemble the connectors from the plastic holder. The plastic base has plastic tab/knob to hold the connector in place. You have to ply the connector while pushing it till it come out of the plastic base.

In this photo you can see the tab/knob in the plastic base that hold the connector in place.


you will need a flat head screwdriver for plying and another Philip or hex or Allen key to push the connector out of the plastic base.


It might be harder if you have to do in on your car under the hood. If it is too hard then just cut it and make a new connection.

After the connectors came out wrap them with electrical tape and/or shrink tube.


Step 9.
Put the LED in the adapter.


Step 10.
Plug the LED into the connectors and test if it working? If not, rotate the connector. Unlike the halogen, some LED bulbs are polarized.


Step 11.
Make sure the car is OFF!!!

Step 12.
guide the LED into the housing. Rotate the LED adapter back and forth back in the headlight housing. You will feel the notches fall back into place and you will be able to rotate the adapter 45 degrees and it will click into place. This step will also be easier if the plastic bulb holder is warm. Not hot, but warm.

Step 13.
tugged in all the wires. and check your beam pattern.


Step 14.
Close the dust cap.


Step 15.
wait until night and enjoy your work.
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2017 Hyundai ioniq hybrid SEL with tech package. Summit Grey.
Bridgeport, CT U.S.

Last edited by bluecar1; 10-08-18 at 09:23 AM.
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post #2 of 41 (permalink) Old 04-08-18, 09:18 AM Thread Starter
Cha
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More photo after dark.
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ngolf likes this.

2017 Hyundai ioniq hybrid SEL with tech package. Summit Grey.
Bridgeport, CT U.S.
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post #3 of 41 (permalink) Old 04-08-18, 09:21 AM Thread Starter
Cha
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If you use 3d printed dust cap. Don't forget to remove o-ring from the old dust cap and put it on the new one.
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2017 Hyundai ioniq hybrid SEL with tech package. Summit Grey.
Bridgeport, CT U.S.
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post #4 of 41 (permalink) Old 06-08-18, 11:37 AM Thread Starter
Cha
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Update: after a few days driving at night, last night I have a warning on my dashboard to check the Right Low beam headlight. This happen after a long drive, so I think it might be an overheat problem. I've ordered another LED with fan and it is on the way. I will try it out and post the result here.
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2017 Hyundai ioniq hybrid SEL with tech package. Summit Grey.
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post #5 of 41 (permalink) Old 06-08-18, 12:22 PM
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Thanks- great information---following for update

Don't take life too seriously---You'll never live through it...
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post #6 of 41 (permalink) Old 06-08-18, 01:49 PM
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I'm wondering if this method would work for H7 HID bulbs with a HID kit. I know that the dust cap would have to a hole for all the wires to come out of.
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post #7 of 41 (permalink) Old 06-08-18, 11:18 PM Thread Starter
Cha
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Quote:
Originally Posted by ngolf View Post
I'm wondering if this method would work for H7 HID bulbs with a HID kit. I know that the dust cap would have to a hole for all the wires to come out of.
We will have to ask someone with the Limited to take a photo of their dust cap for us.

BTW, the headlight housing of the limited is different, there is only one bulb (HID) in projector housing, and a moving shade to create high/low beam
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2017 Hyundai ioniq hybrid SEL with tech package. Summit Grey.
Bridgeport, CT U.S.
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post #8 of 41 (permalink) Old 08-08-18, 12:10 AM Thread Starter
Cha
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update: I had a long night drive again tonight, and again I got the same warning on the way to my destination. However, on the way back, I remove both of the dust caps and everything was fine. I'm pretty sure it is the overheat problem because of the fan less design.

It make sense though, the heatsink should have more room than the small space in the headlight housing. Maybe this is why they design it with the fan in the first place.

2017 Hyundai ioniq hybrid SEL with tech package. Summit Grey.
Bridgeport, CT U.S.
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post #9 of 41 (permalink) Old 09-08-18, 02:08 PM
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What a pioneer you are, I wish you lived where I am so I can pay you to do this mod for me. I hope you eventually find a LED or solution that works long term without over heating. The difference in LED is substantial. I don't know why Hyundai would put halogens instead of LED
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post #10 of 41 (permalink) Old 10-08-18, 11:56 PM
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How did your adapter fit? I ordered a set and they seem too loose. I cant get the bulb to fit in there tight at all.
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