Menu

1A Auto Video Library
Our how-to videos have helped repair over 100 million vehicles

How to Replace Headlights 90-99 GMC K1500

Share on:
  1. step : Removing the Headlights (0:45)
    • Remove the two 3/16" screws from the top of the headlight
    • Pull the headlight forward out of the grille
    • Disconnect the headlight bulb sockets
    • Repeat these steps on the opposite side
  2. step : Installing the Headlight (2:15)
    • Connect the headlight bulb sockets
    • Slide the headlight into the grille
    • Insert the two 3/16" bolts for the headlights
    • Repeat these steps on the opposite side
  3. step : Aiming the Headlights (2:50)
    • Find the axis point of your headlight
    • Line up this point with a vertical wall
    • Mark the wall with the center line of the vehicle
    • Mark the wall with a line level with the headlight axis
    • Back the vehicle 25 feet back from the wall
    • Turn the headlights on
    • Adjust the passenger side headlight until the focus of the beam is two inches below the horizontal mark
    • Adjust the driver side headlight until the focus of the beam is four inches below the horizontal mark

Hi, I'm Mike from 1A Auto. We've been selling auto parts for over 30 years. We're dedicated to delivering quality auto parts, expert customer service, fast and free shipping, all backed by our 100% satisfaction guarantee. Visit us at 1AAuto.com, your trusted source for quality auto parts.

In this video, we're going to be working with our 1996 GMC Sierra. We're going to show you how to remove and replace your vehicle's headlights. If you like this video, please click subscribe. We have a ton more information on this and many other vehicles, and if you need these parts for your truck, you can follow the link down in the description over to 1AAuto.com. Here are the items you'll need for this repair.

Remove the two three-sixteenths screws securing the headlight in. These come out of the top of the grille, and we'll do that with a socket ratchet and extension. Remove the headlight from the vehicle and disconnect the headlight bulbs. Repeat these steps on the opposite side.

Here we have the old parts that we removed from our vehicle and the new parts from 1AAuto.com. As you can see, we have the pair here. This is also available as left or right if you only have one light damaged, but generally they get pretty cloudy like the ones down there, so we do recommend you replace them as a pair.

See, we have the same headlight. It even comes with new bulbs and new brackets. We don't need to change these. However, if you did, the headlight mounting plate is already on there. You could swap that out if you had to, but generally, it's just the light. It comes with two new bolts to secure the light in to that bucket, and we also have two new adjuster screws there. So if your old headlights are foggy, taking on moisture, cracked, or broken, this new part from 1A Auto is going to go on direct fit just like your original equipment and fix you up right.

Reconnect your headlights, reinstall them, and reinstall the three-sixteenths bolts.Repeat these steps on the opposite side.

This is a basic tutorial on how to aim the headlights on your vehicle. Find the axis of your headlights. This is usually indicated with a small dot or the headlight bulb size on the lens. If not, it's the actual center point of your headlight bulb. Transfer this mark to a vertical wall with a preferably dark color that'll allow you to back up 25 feet. Pull up and find the center line of your vehicle as well as the center line of your headline axis. Mark the wall with the height of the headlights and a straight line going across at that axis height.

Back your vehicle up 25 feet from the wall to the front edge of your vehicle's headlights. Turn your headlights on and locate the adjusting screw usually on the back side of your headlights. You'll want to rotate this until the passenger hot spot -- or focus of the beam -- is approximately two inches below the line and the driver's side is four inches below the line. We changed the heights on each side so you can still get a good beam to the off-side of the road on the passenger's side and have the driver' side low enough to not blind oncoming traffic.

Thanks for watching. Visit us at 1AAuto.com for quality auto parts, fast and free shipping, and the best customer service in the industry.

Tools needed for replacement:

    Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Sockets - SAE

  • 3/16 Inch Socket

1992 - 1994  Chevrolet  Blazer Full Size
1995 - 1999  Chevrolet  Tahoe
2000 - 2000  Chevrolet  Tahoe
1992 - 1998  GMC  Yukon
1990 - 1998  Chevrolet  C1500 Truck
1999 - 1999  Chevrolet  C1500 Truck
1990 - 1998  Chevrolet  C2500 Truck
1999 - 2000  Chevrolet  C2500 Truck
1990 - 2000  Chevrolet  C3500 Truck
2001 - 2002  Chevrolet  C3500 Truck
1990 - 1998  Chevrolet  K1500 Truck
1999 - 1999  Chevrolet  K1500 Truck
1990 - 1998  Chevrolet  K2500 Truck
1999 - 2000  Chevrolet  K2500 Truck
1990 - 2000  Chevrolet  K3500 Truck
1990 - 1998  GMC  C1500 Truck
1999 - 1999  GMC  C1500 Truck
1990 - 1998  GMC  C2500 Truck
1999 - 2000  GMC  C2500 Truck
1990 - 2000  GMC  C3500 Truck
2001 - 2002  GMC  C3500 Truck
1990 - 1998  GMC  K1500 Truck
1999 - 1999  GMC  K1500 Truck
1990 - 1998  GMC  K2500 Truck
1999 - 2000  GMC  K2500 Truck
1990 - 2000  GMC  K3500 Truck
1992 - 1999  Chevrolet  Suburban C1500
1992 - 1999  Chevrolet  Suburban K1500
1992 - 1999  Chevrolet  Suburban C2500
1992 - 1999  Chevrolet  Suburban K2500
1992 - 1999  GMC  Suburban C1500
1992 - 1999  GMC  Suburban K1500
1992 - 1999  GMC  Suburban C2500
1992 - 1999  GMC  Suburban K2500
1999 - 1999  GMC  Yukon

88-02 Chevy C/K Pu HL Pair (LH & RH)

Chevrolet GMC Driver & Passenger Side 2 Piece Headlight Set DIY Solutions

This part replaces:

  • Partslink GM2503101
  • Partslink GM2502101
  • OE # 15034929
  • OE # 15034930
  • DIY Solutions LHT03063

Part Details

  • Set Quantity: 2 Piece
  • Kit Includes: (2) Headlights
Search Videos
Go To Top


Same Day Shipping

Orders ship same day when ordered by 2pm ET. Need your part faster? Choose expedited shipping at checkout.


Guaranteed To Fit

Providing you the highest quality, direct fit replacement auto parts enforced to the strictest product standards.


USA Customer Support

Exceeding customers' expectations every day, our team of passionate auto enthusiasts are here to help.


Instructional Video Library

Thousands of how-to auto repair videos specific to year, make and model guide you step-by-step through your repair.

Loading...