Headlights have two filaments, one for dim, one for bright. From your description it appears that one of the high beam filaments is burned out. Replace the bulb.
A bad ground wire will cause dim headlights, or will cause lights not to work.
On most vehicles, the low beam headlights are the outside pair of lights. This is true when the headlights are side by side. When the two sets of lights are stacked, the low beam headlights are usually on the bottom.
Because
When the headlights are on.
Although the lights should be dipped when approaching another vehicle so they aren't bright, the best place to look would be at the edge of the road on your side; you will still be able to see most of what is on the road ahead of you, but without looking directly at the bright lights.
headlights are either sealed beams or bulbs both have 2 elements. one for bright and one for low the low is burned out replace the bulb or sealed beam
The headlights on a 96 Chevy Silverado are adjusted by turning the screws on the top and side of the headlights. It allows the lights to be adjusted for optimal night vision.
On the side of the door it says Lights and Parking lights are under it. But you push in the top knob on the driver side door.
On the upper left side of the drivers side floor pan.
Its all in the lights! the mark 1 has smaller headlights with the indicators to the side.
there are 4 switches that are similar for headlights, fog lights, rear defrost and hazard. the headlights and fog lights are on the left side of the steering wheel. rear window defrost and hazards are on the right side of steering wheel.
Usually there is a 5 amp fuse for it. It might be located on the driver side, when you open the door, there should be a panel that opens on the side of the dash board. If not, try the other side. If you have a manual for your vehicle, there should be a section in the back for fuse diagram.