Low beam headlight connection shorts out and burns, and heater and A/C controls don't work anymore when you try to turn on heat or A/C kills engine. I have already replaced the liftgate module, that fixed the problem of not being able to lock the vehicle and sometimes starting it. This all started at about 92,000 miles. Estimated repair cost for heat and A/C around $600.

- Berkeley Springs, WV, USA

While going home from work yesterday, someone pulled up and told me that my rear lights were out. Upon my husband inspecting the lights, he discovered that the connection to the rear brake lights is out. There was a recall done in 2004 but GM will not honor it.

- San Antonio, TX, USA

First problem was head lamps went out for no reason, had to replace the lamp driver relay, so far its only happened once..

- Seven Hills, OH, USA

Headlights dim and flicker at random times, mostly at start up. Dealer has replaced alternator twice and problem was resolved for about 2 months and has since recurred.

- Sioux Falls, SD, USA

Since I've purchased the 2004 vehicle (brand new), I have had to replace the passenger side low beam headlight about 10 times. The vehicle is out of warranty and the headlight went out again. While trying to replace, noticed that the wiring is burned out as there is a short. I have read several complaints about the same thing and wondering if there is a recall for this problem.

- San Antonio, TX, USA

Headlamps no longer work (low beams). Bulbs are good and the high beams still work fine.

- Dallas, TX, USA

Headlights flash on and off at night. Sometimes cars pull over thinking I am a police officer. I was told by a mechanic that it is a known problem due to bad ground wires on the left(driver) side of the vehicle.

- Deptford, NJ, USA

The contact owns a 2004 Chevrolet Trailblazer. While driving approximately 60 mph, the contact was pulled over by a police officer. He was informed that both the driver's and passenger side brake lights were inoperable. He drove the vehicle to his residence, checked the fuse panel, and noticed that the fuse was still good. The manufacturer stated that the VIN was not included in NHTSA campaign id number 04V527000 (exterior lighting:brake lights). The manufacturer also stated that they were not obligated to perform the repairs on the vehicle. The dealer informed the contact to bring the vehicle to their establishment for inspection. The current mileage was 71,624 and failure mileage was 71,589.

- Rex, GA, USA

2004 Chevy Trailblazer - intermittent flickering of exterior lights. Headlights sporadically flicker during normal night time driving. Flickering may occur multiple times during trip and then not occur again for several weeks. Problem began at approximately 50,000 miles. It is very frightening and is probably very distracting to other drivers.

- Fredonia, KY, USA

The contact owns a 2004 Chevrolet Trailblazer. Sporadically, while driving various speeds, the headlights completely failed. The contact's visibility was reduced. The technician stated that the relay was the cause of the failure; however, the repair would have to wait because the parts were on backorder. The vehicle has not been repaired. The VIN was unknown. The failure mileage was 75,000 and current mileage was 80,000.

- Merritt Island, FL, USA

The low beam headlight quit working after further investigation found all fuses to be in good working order as well as all relays and the dimmer switch, after checking the bulbs in the low beam assembly the bulbs were not charred or burnt and the filament was still in contact as normal, after reading some excerpts on another website this is an all to familiar incident. Luckily we were not driving at night and no one was injured thankfully. Its time for a recall before someone is injured and or killed from this type of manufacturing malfunction.

- Middletown, OH, USA

The contact owns a 2004 Chevrolet Trailblazer. While driving approximately 25 mph, the contact noticed that the low beams were not working, which caused him to activate the high beams. Since that time, the low beams have worked intermittently. The dealer advised the contact to leave the vehicle in their possession so it could be repaired. The manufacturer stated that they were not liable for the repairs. The vehicle has not been repaired or diagnosed. The current mileage was 82,000 and failure mileage was 81,700.

- Pensacola, FL, USA

Currently own a 2004 Chevy Trailblazer that was repaired due to NHTSA action # EA04021. Very soon after the repair to the rear tail lights was completed, rear brake lights failed on both sides simultaneously. Dealer indicates that the left rear brake circuit board has "melted."

- Germantown, MD, USA

While driving headlights dim very low to the point that you can not see. Doesn't happen every time. Dashboard lights also go very low. Vehicle taken in to dealership in April. Tech says can not duplicate problem. Car taken in again this time cd player will stop playing if volume is turned all the way down for more that 2 mins. In order to make it play again you have to eject cd and reinsert. Radio was suppose to be ordered never received it. Car taken in again this time different dealership found problem with radio and it was replaced asked for them to check headlights because problem still happens. They also cannot duplicate problem. After leaving dealership cd players stops play again. Sept 28, 2005 while at bank drive through car stalls out, able to restart car. Took vehicle to dealership told them about the stalling out, headlights, and cd player. After having my car there a week and 3 days there conclusion was that the stalling out was because the was carbon build up in throttle body this was cleaned out. My car has 19,000 miles and is a year old I don;T believe this is the problem. While there a new cd player was put in, I was told that the one that was replaced before was a refurbished one and it didn't surprise them that it didn't work. The headlights we were told that we were crazy at first and then after speaking with the service manager was told that my vehicle has California emissions which means we have a 2nd air intake on it that causes the alternator to drain causing the lights to dim. GM has told us this is normal!!!!!! I am sorry I am not willing to put my family lives on the line because I happen to buy a new car in Virginia that was made in California. I leave in a rural area not the city so if I lose my headlights then that means I can't see. This doesn't mean anything to them. We do have a meeting in Nov with the northern area manager. This is not a normal operation of a car nor should it be designed to do this.

- Manassas, VA, USA