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Chevrolet Trailblazer EXT headlights problems

34 of the 863 owner complaints about the Chevrolet Trailblazer EXT describe headlights failing or too dim, most of them for the 2004 model year.

owner complaints
34
worst model year
2004
typical mileage
88,000
Is there a fix? There are 2 recalls for this area of the car. See below

By model year

Often reported together

Stalling 3Fuel gauge 2Fire or smoke 2Check engine light 2Wipers 1

Trouble codes mentioned

P0483 1

What owners say

Filed Feb 22, 2018 · Lights · 40,000 miles · SC

When driving the headlights all of a sudden just shut off. It is extremely scary at night. I found that I can however use the brights. They eventually come back on. This has been happening for years. I kept hoping for a recall and just found this site to report it. This has happen on city streets and highways. It has happened when there are street lights and vehicle lights and when it is pitch black. The 1st time it happened, I was driving with my child in the vehicle on the freeway.

Filed Feb 25, 2017 · Electrical, Engine · 120,000 miles · IL

Low beams intermently go off and on ! Exhaust manifold is cracked causing a leak ! All dash gauges but fuel gauge dont work !

Filed Dec 8, 2016 · Electrical, Lights · 200,000 miles · FL

Headlights turn off while driving. Happens with regularity. Headlight relay defective. No replacement part available. Gm denies that a recall exists.

Filed Aug 16, 2016 · Lights · 110,000 miles · MD

The headlights are not working properly. Sometimes the headlights work but other times they turn off. The high beams and marker lights are not affected. This also applies to the daytime running lamps and occurs in motion or at a stop.

Filed Apr 8, 2016 · Lights · 1 miles · AZ

My low beam headlights went out which shows it's a relay bad online it shows that there was a recall but in the database it doesn't show up for my vehicle

Filed Feb 20, 2016 · Electrical, Seats · MI

My driver side seat heated seat short circuited and looks like it caught on fire briefly. My head lamp module went bad and is recalled but no remedy has been solved, dealership replaced at my expense but I cannot get reimbursement for repair due to remedy not yet available. Recall date was nov 25th 2015 am I suppose to drive without lights for 13 months. Since I took it too an authorized dealer and they fixed it why cant I get my money? Picture is from the internet but is actually the same as mine. I do have the defected seat element at my home.

Filed Nov 16, 2015 · Lights · 160,000 miles · TX

As identified in recall # 14v755000, the low beam headlamps will turn off at random times. This have happened several times during darkness hours and is increasing. In one case, an accident was barely avoided. I was recently (nov. 13, 2015) told by the gm dealer - the vehicle VIN # does not list this as a recall item. ???? Last occurence is listed below.

Filed Jul 1, 2014 · Brakes, Electrical · 111,676 miles · CT

Both rear brake lights failed simultaneously, even after fuses were checked both under the hood and behind the drivers side fuse box (fuse #12 & fuse #34). This is a road hazard and faulty wiring should be covered. Front left headlight was found to have switch with melted wiring as well, changes by mechanic and I was informed it could have caused a fire. This vehicle has 3 recalls thus far that are extremely dangerous if such faults can cause a fire within the electrical wirings. I would like to get compensated for the work done, the brake lights faulty wiring should be covered under the recall as the local chevy dealer refuses to fix it.

Filed May 20, 2014 · Electrical · 135,000 miles · NC

The headlights intermittently will not work (lowbeam only). It happens at night many times and I will have to drive with the bright lights or fog lights. Sometimes the entire dash lighting will go out as well including the speedometer. It's almost as if the electrical portion of the ignition has failed. It has been happening intermittently for about a year.

Filed Sep 20, 2013 · Lights · MD

The low beam headlights on my 2006 chevrolet trailblazer ext continue to go out. The problem started about 3 years ago where initially the drivers side low beam light would turn on and off intermittently. Then, the pig-tail wiring to the bulb burned up (luckily not causing a fire, which my mechanic said could have happened). The pig-tail was replaced and the light worked, but only for about 8-10 months, which the wiring burned up again. The same mechanic replaced the wiring again, and this time it only lasted about 6-8 months, and he replaced it yet again. This final wiring replacement lasted, but the relay went up. We replaced the relay several months ago, but now the light is starting to work intermittently again, worrying me that the pig-tail will burn up again and possibly catch fire. The first time it burned up, I noticed some very noxious fumes while driving which nauseated me terribly. I understand other trailblazers have this problem. I would love to see a recall on it as there is a similar recall on some of the trailblazers for the brake lights.

Related recalls

Exterior lighting: headlightsReported August 14, 2015 · 429,170 vehicles affected
What is wrong
General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected vehicles, the headlamp driver module (HDM) may overheat and fail, causing the headlamps and daytime running lights to not illuminate.
Risk
Headlamps that do not illuminate reduce the driver's ability to see the roadway and reduce the vehicle's visibility to oncoming vehicles, both of which increase the risk of a vehicle crash.
Remedy
GM will notify owners, and dealers will replace the HDM, free of charge. The recall began on May 17, 2016. Owners may contact Buick customer service at 1‑800‑521‑7300 or Pontiac customer service at 1‑800‑762‑2737. GM's number for this recall is 14291.

Recall number 15V519000 · Recall details

Exterior lighting: brake lightsReported November 1, 2004 · 871,473 vehicles affected
What is wrong
On certain sport utility vehicles, vibration and heat may cause the tail lamp/stop lamp bulb to loosen in its socket. If this occurs, the bulb may flicker and eventually become inoperative.
Risk
An inoperative brake lamp will not convey the driver's intention of stopping to drivers in following vehicles, and an inoperative rear turn signal lamp will not convey the driver's intention to turn to drivers in following vehicles. Both of these failures can increase the risk of a crash.
Remedy
Dealers will inspect the tail lamp/stop lamp assemblies, and if necessary, replace them. The recall began on november 22, 2004. Owners should contact chevrolet at 1‑800‑630‑2438, oldsmobile at 1‑800‑630‑6537, buick at 1‑866‑608‑8080, or gmc at 1‑866‑996‑9463.

Recall number 04V527000 · Recall details

Questions about the Chevrolet Trailblazer EXT headlights

Which Chevrolet Trailblazer EXT years have headlights failing or too dim problems?

The model years with the most reports are 2004 (14 complaints), 2003 (10 complaints) and 2006 (8 complaints).

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