How do you replace the headlight bulb located on a 2002 Chevy Blazer?

Open the hood, at the top of the lamp assembly are two inverted "L" shaped pins. Rotate each pin 90 degrees and pull straight up. This will allow you to pull the headlight assembly forward. There is a release on the bulb socket, depress this and rotate the socket counter clockwise. When replaceing the bulb, handle it with a clean cloth or gloves. The oil in your skin will cause the bulb to burn out faster, making you go through this process again. .