Why are my headlamps not working on my Tahoe?

I own a 2001 Tahoe and am having a problem with the low beams. Sometimes they just decide not to work. It’s like the truck is haunted. Its night. I get in, turn the key on (before I actually start it) and no headlamps.

Why are my low beam headlights not working?

If a headlight fuse blows, it could cause the headlights to stop working. Most headlight systems are also designed with a relay that switches the power between low beam and high beam headlights. If this relay goes bad, it could allow power to the high beams, but not the low beams.

What makes the low beams stay on in a Silverado?

I assume it’s splicing the tan lo beam wire to the yellow headlight feed wire just before the dimmer switch so that the lo beams stay on when the high beams are turned on? (I have the composite headlights.)

Are there low or high beams in my truck?

I turn the switch to turn them on manually… no headlights. The weird thing is everything else is on and working properly. Dash lights, parking lights, taillights… everything. I hit the dimmer switch and the highs come on. Hit it again, and no low beams. Next day I get into the truck and everything works fine. Low and high beams work. (night time)

Why are my low beam headlamps not working?

The Problem: Low beam headlamps not working. (Sometimes) I own a 2001 Tahoe and am having a problem with the low beams. Sometimes they just decide not to work. It’s like the truck is haunted. Its night. I get in, turn the key on (before I actually start it) and no headlamps.

What to do if your low beams stop working?

My low beams suddenly stopped working. All the fuses are good. I swapped the relay and that was not the problem. The bulbs have less than 100 hours on them. I have read about similar problems. Was there a recall? What are my next steps? Any advice would be appreciated. Click to expand… Do your DRLs work?

Why do high beam headlights work but low beams don’t?

Most headlight systems are also designed with a relay that switches the power between low beam and high beam headlights. If this relay goes bad, it could allow power to the high beams, but not the low beams. 1. Headlight Bulbs This is the most common reason we see for why a car’s high beam headlights work but the low beams don’t.

What to do if your low beams don’t work?

Either way, if your low beams aren’t working but your high beams are, the first things we check are the bulbs. If you’re thinking of replacing the headlight bulbs yourself, make sure you’re familiar with the correct installation procedure for the type of bulb you’re replacing.

What to do if one of Your Headlights is not working?

Only one headlight works: If only one of your Chevy’s headlights is working, the other headlight likely has a burnt out bulb. You can do a visual inspection of the build to determine if it has gone bad. A burnt out bulb is usually discolored and pieces of the filament will be loose inside the bulb.

Why are my Chevy Trailblazer lights not working?

Still, headlight problems are no problem with the right information. Whether your Chevy TrailBlazer lights aren’t working, or your Chevy Corvette, the following diagnostic process will help you figure out why your Chevy’s headlights aren’t working.

Why are the headlights not working on my Chevy?

A wiring issue will require a check of wires with a multimeter with the help of your vehicle’s schematics. Only the low-beams or high-beams work: If your headlights both work but only when the low-beams or high-beams are on, the problem is likely with the dimmer switch.

What to do if both side of Your Headlights are not working?

Neither side works: If both headlights are dead, it’s probably not a problem with the bulbs, but it’s worth a check. The most likely scenario is that the fuse is bad. Remove the fuse for the headlights and check it. When a fuse is bad, it’s obvious because the filament will have a gap in it.

What causes a burnt out light bulb on a Chevy?

A burnt out bulb is usually discolored and pieces of the filament will be loose inside the bulb. If a visual inspection shows the bulb is still good, there may also be a broken wire in the harness to that light.