How-to Videos for installs and repairs on GMC Sierra 1500 HD Classic Cars

Learn how to replace the running light bulb socket on your 00-06 Chevy Silverado or GMC Sierra with this video from 1A Auto.

How to repair a seat belt stopper to prevent a seat belt buckle from falling

Learn how to replace the serpentine belt tensioner in your 99-06 Chevy Silverado with this 1A Auto video.

If the speed sensor is stuck or jammed, this video shows a couple methods to remove it and also shows how to install a new one

1A Auto tells you everything that you want to know about part number 1AWRG00173. It's a power window regulator for an 00, 01, 02, 03, 04, or 05 Buick Lesabre. It fits the passenger's side front door, and it includes the power window motor.

This video shows you how to install a new TRQ brake hose engineered to fit your 2000-2006 Chevy Tahoe.

Watch this video to see this test light tool in action. Get yours to diagnose circuits and fuses in your vehicle!

Check out this cable lock that programs itself to your own vehicle's key! Carry fewer keys and keep your stuff safe. Available now on 1AAuto.com!

Watch this video to learn how to use the oil filter strap wrench available at 1AAuto.com

How to repair, install, fix, change or replace a transfer case shift motor that is not working, engaging or is defective on Chevy Silverado and GMC Sierra, 2500 and 3500, model years 01 and 02.