Why are my GMC Envoy Trailblazer headlights not working?

2002-2009 GMC EVOY and Chevy TRAILBLAZERS have a common problem with the headlamp relay causing low beam headlight failure. This video is just a quick tip for anyone who may be experiencing this problem. Thank you for watching! please like and subscribe! Loading…

Can a 1999 GMC Envoy have standard headlights?

As of Yet, after extensive searching, can not find a thing regarding converting HID headlights on a 1999 Envoy to Standard Headlights. If you run across something, it would should be appreciated if you would pass it along to me. Thanks I am in the same boat with a 2000 Jimmy Diamond edition and yes you can.

Why are my GMC Envoy head lights dimming?

I have a 2004 envoy xuv and i have noticed that when i use the power windows my volts gauge goes down slightly and my dash lights as well as my headlights dim a little. i tested the battery and i replaced it and then i tested the alternator and it is putting out 14.45 volts. what else can it be? please help!

Are there any problems with my GMC Envoy?

I have a 2005 GMC Envoy and my headlights have quit working, well at least the low beams (both sides at the same time). I have checked the fuses and the bulbs and both are fine. What else can I check before giving up and landing at the mercy of a local auto shop?

What to do if your low beam headlights don’t work?

Cut the wires approx. 1-3/4-in. from the connector. Then splice in the new pigtail (parts numbers shown below) using the splice sleeve. Install new headlight bulb and test.

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.

Why are the lights on my car not working?

Headlights work, but not very well: If your headlights don’t provide enough light for the road ahead, it can come from several problems. Fogging of the lenses, clouding inside the housing, moisture inside the housing, and headlights that are not aimed properly are the most common causes.

Why do my headlights turn on by themselves?

The vehicle may be having issues with the headlight circuitry. This may mean that the sensor, photocell, body control module, replacement headlight, or a fuse/relay has failed. Something is allowing power to be sent to the headlights when the vehicle should be off.

How do you turn off headlights at night?

I tried messing with the switch, and when the headlights turn on, it won’t even let you turn the lights off with the switch, after about 3 minutes it will let you turn them off. But after you go back inside for a few, they turn right back on. If it matters, I did get aftermarket light bulbs a couple months ago.

Why are the high beams on my car not working?

If the high beams function but don’t seem to light your way, especially if you drive an older vehicle with polycarbonate headlight lenses, your car may be a victim of headlight fogging. This isn’t simply scuffing, but an actual chemical change from polycarbonate’s exposure to solar ultraviolet light and caustic exhaust emissions.

Do you need high beams or low beams?

Low beams are the bare minimum, for safety’s sake, but high beams are an absolute must for night driving over 25 mph. For most vehicles, headlights are a basic electrical system, controlled by switches and relays to turn them on and off.

What’s the difference between low and high beam headlights?

Benjamin Jerew is an ASE-certified Master Automobile Technician with over a decade of experience in auto repair, maintenance, and diagnosis. Required by law around the world, low beam and high beam headlights help you see and be seen, in all kinds of weather and at any hour of the day.

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 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.

How much does it cost to replace a GMC Envoy headlight?

I have a 1999 GMC Envoy with HID low beam headlights. One of the headlights went out and I was quoted the following replace the Igniter which costs $657.00 per side and also the Ballast which costs $616.00 per side. Or you could do the Headlamp Assembly which is around $1,000 per side.

Where is the fuse box located on a GMC Envoy?

Fuse box location Rear Underseat Fuse Block It is located under the rear seat on the driver’s side of the vehicle (tilt the seat up, remove the fuse box cover). Engine compartment fuse box

Why are the low beams on my truck not 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.

Where is the fuse box on a GMC Envoy?

GMC Envoy (2002) – fuse box diagram. Year of production: 2002. GMC Envoy mk2 – fuse box – engine compartment. The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle.

What causes a low beam light to stop 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.

Where are the fuses located on a Chevrolet TrailBlazer?

The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle. The rear underseat fuse block is located under the rear seat on the driver’s side of the vehicle. WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Where is the fuse block on a GMC Envoy?

GMC Envoy (2003 – 2004) – fuse box diagram Posted on 12 December 201624 October 2018by admin GMC Envoy (2003 – 2004) – fuse box diagram Year of production: 2003, 2004 Engine Compartment Fuse Block The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle. L6 Engine

Why are my headlights not working at night?

Still, if you drive a lot, especially at night when you must constantly change between high beams and low beams, you might wear out the headlight switch. It doesn’t take long to restore fogged headlights and night visibility.

Why does my GMC Envoy go off at night?

I have a 2004 Envoy SLT and three times in the past year the headlights have gone off at night while driving. The manual switch will not turn them on. Only the emergency flashers will work.

Are there any recalls on the 2004 GMC Envoy?

Based on information received from our latest subscriber survey, our reliability history charts give you a rundown on how used vehicles are holding up in 17 potential trouble spots, ranging from the engine, transmission, and brakes to power equipment and the electrical system. The 2004 GMC Envoy has been recalled 3 times by NHTSA. View Recalls

Where are the fuses located on a GMC Envoy?

Posted on 12 December 201624 October 2018by admin GMC Envoy (2003 – 2004) – fuse box diagram Year of production: 2003, 2004 Engine Compartment Fuse Block The fuse block is located under the hood in the engine compartment on the driver’s side of the vehicle. L6 Engine GMC Envoy mk2 – fuse box – engine compartment (L6 engine) Fuses Usage 1

Why are my headlights not working in high beam?

If just one bulb fails to work in either high beam mode or low beam mode, it may be the bulb. Most headlight failures that are limited to just high or low beams are related to a relay or the high beam control switch.

What to do when both head lights stop working at the same time?

When that happens, the operational lifespan of your headlight capsule will be severely compromised, and the only fix is to replace the headlight assembly. When both headlights stop working at the same time, the bulbs usually aren’t at fault.

Where are the fuses in the Yukon XL?

See other GMC Yukon / Yukon XL: Cigar lighter (power outlet) fuses are located in the Engine compartment fuse box (see fuses “AUX PWR”, “CIGAR” / “CIG LTR” and “LBEC”), and since 2003 in the Passenger compartment fuse box (fuse “AUX PWR 2”).

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.

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

This is the most common reason we see for why a car’s high beam headlights work but the low beams don’t. The normal headlights are on far more often than the high beams, so the low beams burn out more frequently. Some vehicles have entirely different bulbs for the high beams, and other models have headlights with two different filaments.

Is it safe to drive with high beams on?

No one wants to be driving along at night and have their headlights go out. In many cases, the high beams will still work when the regular headlights stop, but it’s just not safe to drive around with your high beams potentially blinding other drivers.

When do you turn off the headlights in your car?

Headlights are an important safety feature, illuminating your way at night and making your vehicle more visible in bad weather and low-light conditions. Some vehicles may have an electronic headlight control that automatically turns your headlights on at dusk. When the ignition key is tuned off, the headlights will also shut off.

How to turn off automatic headlights in Hyundai Sonata?

If you wish to turn the automatic headlight system back on while the key is on, press the dome override button four times within six seconds and listen for the confirmation chime. The Ford Autolamp system will remain off as long as the auto lamp control knob remains off. 2006 Hyundai Sonata: How to Program the

Why are my GMC Envoy Trailblazer headlights not working?