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Complete Repair in One Purchase - Stop searching for parts individually and complete your repair with a customized kit or set from DIY Solutions.
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Assemblies may include halogen or incandescent test bulbs that should be replaced before installation.
Item Condition:
New
Attention California Customers:
WARNING: This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
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Brought to you by 1AAuto.com, your source for quality replacement parts and the best service on the Internet.
Hi, I'm Mike from 1A Auto. I hope this how-to video helps you out, and next time you need parts for your vehicle, think of 1AAuto.com. Thanks.
In this video, we're going to show you how to service the bulbs as well as replace the entire headlight assembly on this 2003 GMC Envoy XL. It's the same part and similar process on the regular Envoys made after the year 2002. We show on the passenger side, but the driver side is the same procedure. The items that you'll need for this include new headlights from 1AAuto.com, a flat blade screw driver, and a pair of pliers.
Pull your hood release, pop your hood, and then reach under here, push up on the latch, and lift your hood. Support it, and then go over to the headlight that you want to service or replace and lift up on these two tabs. Our pulls up pretty easily, but if you do have some trouble pulling them up you can use a pair of pliers.
Once you pull them up you can slide your headlight out. Then using a flat blade screwdriver, pry out on this tab, disconnect the harness, and then twist this socket counterclockwise. Pull out.
Now, to service your bulbs for the headlight and high beam, you just pull off that boot, twist the bulb counterclockwise, and it pulls out. Then lift up on the tab and the harness, disconnect it, push your new bulb into place, twist it clockwise back into the light, and replace your boot.
This one is the same process, but if you have problems getting the boot off, just use a flat blade screwdriver and you can pry it off.
Now, to service these other two bulbs, you just pull the bulb out and push your new one in. On the left is the old headlight; on the right is the new one from 1A Auto. You can see they are identical, and they'll fit exactly the same.
Twist these two sockets into your new headlight assembly, and then reconnect this harness and push the headlight back into place. Once you have it lined up, just push down these two tabs.
Now, if you have to adjust the angle of the lights, you just turn this counterclockwise to raise the light or clockwise to lower. Just to show you what the difference new headlights can make to your vehicle, here's the old headlights and here's the new ones. You can see it just makes the vehicle look a lot younger and newer. Again, old headlights and new headlights.
We hope this video helps you out. Brought to you by www.1AAuto.com, your source for quality replacement parts and the best service on the Internet. Please feel free to call us toll-free, 888-844-3393. We're the company that's here for you on the Internet and in person.
Tools used
Okay, friends. One of the first things we need to do to get started on our headlamp assembly is to pop the hood. Once you have the hood up, if you were to look right here and right over there, you're gonna see this little clip. You should be able to grab onto it and hopefully try to draw it up. You can use a screwdriver, a pry bar, some pliers, anything you've got. I'm just gonna lift it up just like that, and that unlatches it. Do the same thing to the other one. There we are. Now, the headlamp should be able to move around fairly freely. Be careful not to let it go so it doesn't fall down. Nobody wants anybody to get hurt. Okay, next we're gonna go ahead and start removing the wiring from the backside. If you have a nice pocket screwdriver or even that trim tool that I was just using, you can come down like this, lift up on the tab, draw it away. I always look at the connectors to make sure there is no funny colors.
Come right over here. The directional is gonna have a little squeeze tab. That's gonna keep it from spinning out. Go ahead and squeeze that down, give it a twist counterclockwise, and remove it. This one, counterclockwise, remove it. Check your bulbs, make sure they're in good condition and move along. So, I'm looking at the bulbs real quick, and I happen to notice this little bulb right here. I'm gonna hold it over the plastic so you can see. It's very dark, very black, definitely burnt. If I was to hold it to a new one, you could tell that this one is no good. At this point, it's the best time to go ahead and replace these. We've got our new headlamp assembly here. One of the first things we need to do, though, is prep it. If you were to look at the backside, first of all, you're gonna notice that this came inside the box, and you're gonna wonder why is that even there. It's because it's gonna need to cover this hole. What we need to do is we need to remove this wire tie right here, get this bracket out of here. This is just for shipping. It's gonna make sure that nothing gets rattled around, okay?
Go ahead and take some cutters, give that a little snip, and then go ahead and recycle this properly. At this point, we're gonna take that nice little cover that I just mentioned to you, and we're gonna slide it right over the top here. That's gonna help keep moisture and debris out of there. It's very important. You need to make sure you put it on. Go ahead and grab these white tabs. We'll remove those. This is also just for shipping. It's nothing important. And this is, of course, where all those bulbs are gonna go. All right, let's get ready for our install. Now it's gonna be time to get this back in here. Go ahead and line up the small one here for a marker. We'll grab that directional bulb, put it up there, lock it in by turning it clockwise. We've got our connector, click it in, give it a nice tug, make sure it's secure.
So, now if you were to look at the headlamp assembly, you're gonna see that there's little pitons. There's gonna be two on this side that match up with this, and then there's gonna be two on this side that match up with this one. We're gonna need those to go inside the holes that are right along here. So, what you need to do is make sure that these are still up. If for some reason they were loose and they slid down...if they were loose and they slid down like this, obviously the piton's not gonna make its way down inside there, and you're gonna have an issue. You need to make sure they're completely up. There we are. Perfect. Carefully slide it in there, lining up the pitons with the holes all the way, and then go ahead and lock it in.
Usually, once I get them started, I'll try to take something simple as a punch, maybe a hammer and just try to give it a couple loving bonks just to make sure it's completely locked in. You're gonna notice that the sound changes. You hear that? Okay. Give it a nice wiggle. Make sure it's completely secured on all four corners. Give it a test. If you were to look right down along the backside of your headlamp, you're gonna see a little star-looking piton down there. That's actually the adjustment. You're gonna need a tool that looks like this. This is a size E8 inverted torx. I'll put it right on here, and then I'll put it on there. If I was to turn this clockwise, it's gonna bring the lamp down. If I was to turn it counterclockwise, it's gonna bring the lamp beam up.
This is going to be a general tutorial on how to aim your brand new TRQ headlamp assemblies. Okay, so looking at your brand-new TRQ headlamp assembly, you're gonna see where your low beam is, and you'll see a little dot right in the center, and that is the axis point, okay? So, what we're gonna do is we're gonna mark that with an erasable marker, just so it's easier to see. Next what we need to do is measure from the level ground up to this point and take note of that measurement. And now we're just gonna pull the car up to our wall. On our vehicle, we remember that the measurement was 28 inches for our axis point. Your vehicle may be different, but that's where I'm gonna put this tape, just above that 28 inches. We'll do the same on the other side. Okay, so let's just back the vehicle up straight back, 25 feet from the wall. And now that we moved our vehicle 25 feet back from the wall, we're gonna start with our measurement here. That's where the headlamp center is. We're gonna go down 4 inches on the driver's side. On the passenger's side, we have our line here. What we need to do is go down 2 inches. To adjust the driver's side, we're gonna cover our passenger's side headlamp.
If you look at the backside of your headlamp assembly, you're gonna see something that looks like this. This is the adjustment. Some of these headlight assemblies have one, two, or even more of them, but you should at least have one. This is how we're gonna adjust the headlight beam. Now, we're gonna lower the top part of the beam down to just below this line. When you turn the adjustment to the right, it brings the beam up, and if you turn it to the left, it'll bring the headlight beam down. And this is this way on most vehicles. Let's continue on to doing the passenger's side. All right, we properly aligned our TRQ headlamp assemblies.
Okay, and on the quality TRQ headlamps for our pickup truck, the procedure is gonna be the same. You're gonna find your center dot, mark it, and then you'll measure from the level ground up to your dot. So, once your headlamps are properly adjusted, it'll be time to adjust your fog lamps. You'll notice on the driver's side, the focal point is all the way at the bottom right now. I would like to bring it up so it meets up with approximately the bottom of the focal point of the headlight. Some fog lamps have an adjuster, others don't. The ones that do have an adjuster, you would just turn the adjustment to the left or to the right to adjust the beam up and down to where it needs to be. Now, with your TRQ headlamps and fog lamps properly aligned, you can drive down the road safely.
