How To: Install HID 's & HID Lighting Explained

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jvanness605

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my ddm kit i ordered came with the option to have a wireing harness for the hid's from the post it looks like i dont need to use it because the oem head light harness has enough power to run the ballest im guessing?
 

98WhiteZ71

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So just went to install my new headlight housing and HID kit 9006 and i am getting nothing from the HID kit. i have tried plugging into both the driver side and passenger side and nothing. I have tried using the high beam as the power and nothing. Tried with the truck running also and still nothing. I can unplug the HID harness and install the halogen 9006 and it will turn on as soon as i turn the headlight switch on. any thoughts?

here are some pictures of the harness plugged in. From that i can tell the harness comes with an extra set of plugs in case the housing it self has wires inside it like on W body cars i know.

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any quick hep would be appreciated as i want to get this put back together tonight
 

98WhiteZ71

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So just went to install my new headlight housing and HID kit 9006 and i am getting nothing from the HID kit. i have tried plugging into both the driver side and passenger side and nothing. I have tried using the high beam as the power and nothing. Tried with the truck running also and still nothing. I can unplug the HID harness and install the halogen 9006 and it will turn on as soon as i turn the headlight switch on. any thoughts?

here are some pictures of the harness plugged in. From that i can tell the harness comes with an extra set of plugs in case the housing it self has wires inside it like on W body cars i know.

You must be registered for see images attach


You must be registered for see images attach


any quick hep would be appreciated as i want to get this put back together tonight

Never mind. im not a smart man. just went back out and looked at the harness again. i figured it out.
 

Slime

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New guy here...anybody used LED lights in there trucks? Curious because I run the on two different motorcycles and the light is unbelievably bright and I've never been hi beamed which is pretty amazing too.
 

your mom

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In the following article, we'll discuss the general installation procedures for High Intensity Discharge (HID for short) lighting as well as an explanation of what HID's are, how they work, and what you'll need.

First off, if you are unfamiliar with HID's here is basically how they work and differ from the standard Halogen or sealed beam lights; HID's have no filament like a halogen bulb does, instead they have electrodes and are filled with Xenon gas and metal salts that create an arc between the electrodes within the bulb itself. That arc heats up the gas within the bulb which creates the light that the bulb puts out and you see. That is the reason a ballast is needed, because of the large amount of voltage it takes to ignite the gas and allow it to have a steady arc.

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(Typical components of a HID kit)

What should I buy?
Alright, now when ordering a set of HID's you need to decide what Kelvin temp you want, as well as how many watts. They are available from 3000K (yellow) - all the way to 32000K (purple).
A common misconception is that the higher the Kelvin number is, the more light output you will have. That is a false. For HID's, Light output is optimal right around 4200K-5000K. And the higher the Kelvin number, the less lumen's (output) they produce. To find out what bulb style your truck takes, Click Here. (GMT400's with composite headlights (88-98 GM Trucks) take a 9005 high beam bulb and a 9006 Low beam bulb)


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(Left side is 5000K 35W HID and right side is 9006 Sylvania SilverStar Ultras, notice how white the left side is compared to the yellow on the right)
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Where do I buy a HID kit?
There are various Internet retailers that sell "Plug n' Play" HID kits, and they all vary in price. Ebay is a great place to buy a kit for a reasonable price. Also try to find a kit that utilizes the "Slim Ballast" as they tend to have better internals in. I have Xentrec HID kits on my trucks and have had trouble free operation for over a year. Also beware of sellers that are selling bulbs that are like $10. They use words like “HID” and “Xenon” to get people interested and try to fool them into thinking that they are legit HID's. These bulbs don't utilize ballasts and do not run like a true HIDs. They’re just a halogen bulbs with a blue tint on them to make the output a different color.


Is my OEM Headlight Harness going to handle the HID's?
In short no, you need to upgrade your headlight harness to install HID's the right way (from an electrical standpoint). With any truck that utilizes a dual lamp set up (ex. separate bulb for the low beams, separate bulb for the high beams) a 4-High Relay kit is really a necessity. As the HID's have a "warm up" period that takes anywhere from 3-8 Seconds, during that period your HID's will be omitting very little light and can be dangerous because of lack of visibility.

With a 4-high kit installed, the low beams will always be on when your headlights are on, so there is no period where your lights are dim therefore increasing your safety as well as incresing your visibility being the low beams stay on with the high beams. ]

A tell tale sign of a headlight harness that is under par is an issue called "Flickering". Flickering in some instances is where one HID will ignite and the other won't. HID's take a lot of power to initially ignite the bulb, and when the OE Headlight harness is not up to the task, the HID ballast's will "starve" power from one another because of the large draw they take initially. (Ex. drivers side will light up, but the passenger side will not).

A Heavy Duty Headlight harness will remedy that problem in most cases, I build Heavy Duty Headlight harness's that utilize HD 30/40 amp relays to draw "clean" power DIRECTLY from the battery, and deliver the power to the headlights using 12 Gauge wire to ensure that the headlights are getting the full 13.8 volts, as well as taking all of the load off your factory headlight switch/wiring. Where as the stock set up, the headlights draw there power from the headlight switch using 16-18 gauge wire, and the headlight switch draws its power from the interior fuse box. Which results in a substantial voltage drop by the time the power reaches your headlights. My HD Headlight Harness's also have the 4-High feature built in, so when on high beam you have all 4 headlights on!

If you are interested in a 4-High kit, a Heavy Duty Headlight Harness, custom fog/driving light harness, etc etc or simply have questions about lighting; feel free to shoot me a PM for more information or check out the links below and I'll be happy to help!

Heavy Duty Headlight Relay Harness:
http://www.gmt400.com/forum/showthread.php?5004-88-98-Heavy-Duty-Headlight-Harness-Kit-(NEW)

4-High High beam headlight relay kit:
http://www.gmt400.com/forum/showthread.php?3635-88-98-HI-4-Headlight-relay-kit-NEW/page13


General Installation:

1. Start off by finding a suitable place underneath the hood to mount your ballast's, it's optimal to find a place that is always dry and relatively close the opening in the core support for the headlights. On GMT400's the inner fenders are a perfect location. Be sure to make sure that you mount the ballast so that the wires reach the bulb!

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2. Now you are ready to remove your headlights, to accomplish this task is very simple. Just locate the two bolts that protrude the top of the core support near the top of the grille. The heads of these bolts are 3/16. Remove the bolts (2 bolts per headlight) and the headlights will simply pull out. (You can also remove your parking light for ease of installation, but it isn't required to do so)

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3. Now it's time to mount the Ballasts', most of the HID kit's utilize double sided tape for mounting the ballast. These Xentec slim ballast also have a metal backing plate for mounting as well. So find the location you desire to mount them and mark the hole to drill for the screw to mount the ballast. Once the hole is drilled, install the ballast with a 1/2" #8 or so metal screw. You can also elect to use both, the double sided tape AND put a screw through the eyelet in the backing plate. Also be sure to use some Lacquer Thinner or Rubbing Alcohol on a rag, where your Double Sided tape will be installed to promote adhesion.

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4. Now you're going to route the wires from the ballast to the bulbs, just be sure to run them UNDER the headlight assy. mounting bracket. Your going to run a total of 4 wires per bulb (2 wires plug into the original 9005 or 9006 headlight plug, the other 2 plug into the HID bulb)

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5. Now plug the wires that routed in step #4 to there appropriate locations. The 2 wires that have 1 female plug, will plug into your original headlight (9005 and/or 9006 for GMT400's) plug. Also be sure that the 12+ red wire from the ballast plugs into the 12 + side of the 9005 or 9006 plug. The other set of wires, gets plugged into the HID bulb.

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6. Remove the old halogen headlight bulb from the headlight housing, and install your new HID bulb into it's place. Be sure that you turn the bulb into the housing fully to insure a weather tight seal.
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7. Now simply put your Headlight assy. back in it's place by reinstalling the 2 bolts that you took out in step number 3. Also take caution to not pinch any wires while doing this!

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8. Now simply repeat the process for the other side, and then your done... almost! You now have HID light's in your truck! When you first get your bulbs installed, let them on for around ten minutes to "burn them in". You'll notice that it takes from 3 -8 seconds for the bulbs to get up to temp and achieve full brightness.
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9. VERY IMPORTANT STEP!!!!! BE SURE TO RE-AIM YOUR HEADLIGHT HOUSINGS AFTER INSTALLING HID'S!! YOU DO NOT WANT TO BLIND ONCOMING DRIVERS!! BE KIND, AND DO NOT BLIND!!
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10. Now you are done! Now put on your headlights and take your truck for a spin down a dark country road and enjoy the nice bright safely illuminated drive!
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(My 94' GMC with 5000K HID's in the High beam, low beams, and Driving Lights, as you can see the nice crisp white color of the light)


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There are several other elements to consider when deciding on what is the best lighting set up for your self, HID's have become more and more popular in recent years and have a reason on why they've become so popular. The light output (lumen wise) is far superior of that of a equal wattage halogen or sealed beam head lamp. I also always recommend that you choose a headlight housing that has a "Glare Cap" over the low beam bulb, this will reduce the glare for oncoming drivers. There are other ways to install HID's as well such as doing a projector retro-fit (where a OEM HID Projector is installed into a older model vehicle so the HID's can utilize the housing in which they where generally designed to), this is the optimal way to properly install HID's but the major con of that task is the price tag.

Regardless of what you have for lighting now, or what you are upgrading too, the MAIN objective is SAFETY! So please take that into consideration when choosing what is best for you!!

Thank you for taking the time to read this article! Have a great day, and have a bright night!! ;) Feel free to post with any questions, comments etc!

-Baron aka Mean Green
Did you hook up the hid to the high beam, low beam or both? Do I need 2 kits per headlight? Or will one ballast power high and low beam?
 
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