2011 Mazda CX-7: headlights failing or too dim

Filed Aug 3, 2026 · Electrical, Lights · TX

The low beam wiring gets hot and melts the connectors to the bulb connection. The low beam headlights have been replaced 8 times in a year due to low visibility. It's like turning off the headlights but they are still on. It's been going on for years. I've taken it to Mazda and the mechanic told me they had a vehicle there now with the same problem and have not figured out the problem yet. Wiring harness has been replaced to the low beam, the connectors and bulbs replaced fuzes and nothing seems to fix it, the battery keeps needing to be replaced as well, alternator has been replaced. This is a safety issue due to the fact that the low beams are so dim the driver can't see to drive without using high beam headlights to drive and they are just like having regular low beams on.. I've used halogen as well as led trying to fix it nothing has worked

Filed Jan 5, 2026 · Lights · OH

Mazda has messed up headlights and it is very dangerous. I have to drive with high beams on continuously! The low beams point straight down to the road, looks like even with the bumper, you cannot see anything. It looks like you don’t have lights on. Took it to dealer and they say it’s the housing and it’s a Mazda thing and don’t do anything to fix it. I have tried every bulb available for Mazda and nothing helps. They need to fix this. I see SEVERAL owners with the same complaints! Please don’t overlook this as it is very dangerous and may cause deaths.

Filed Sep 30, 2024 · Lights · PA

I can not see at night. I have replaced the bulbs several times, and tried the most expensive bulbs. Nothing helps. You can only see with the high beams on, and that’s not safe for other drivers

Filed Apr 14, 2024 · Lights · VA

The headlights are UNSAFE! Extremely dim. We have replaced the bulbs and gotten great LED lights but the issue is still there. Sometimes I feel like my lights aren’t even on but they are, I cannot see. Please can you fix this. They just keep getting worse. I would have to drive with high beams on just to be safe. I don’t drive at night in my car if I don’t absolutely need to because of this issue.

Filed Feb 13, 2024 · Lights, Visibility · TX

During a rainy evening I could not see with the wipers on max speed and the headlights on low beam. I couldn't see the road unless a car was in front of me or I turn on my high beams. My son was in the car with me and several times I had to go at a crawling speed and still barely stayed on the road because of low visibilty. This has happened more than once and I feel unsafe driving now because I feel like I'm driving with no lights on at all these days without rain and rain makes it 10x worse.

Filed Feb 22, 2023 · Lights · NC

Just bought this car used and the very first night I realized that the headlights are very very very dim. After online research, it seems this is a common issue with make model&year.

Filed Feb 16, 2023 · Lights, Visibility · MN

Low beam headlights are so poor that they barely illuminate the roadway when driving at night. I've replaced them with Sylvania Silverstar Max bulbs as well as tried LED bulbs and neither help. Makes the car almost worthless to drive at night due to the limited visibility. It has slowly gotten worse since my purchase of the vehicle in 2016.

Filed Nov 26, 2021 · Lights · FL

We purchased a set of headlights and taillights via Amazon from Perde on 12/8/20 after verifying they would fit the vehicle-confirmed with the description provided online. The product that was delivered is defective and presents a fire/electrical safety concern. We installed them, which we had issues initially with the turn signals. While we worked to figure that piece out, we left in the new ones as the ones we had to replace were in worse shape. About a month after they were installed we noticed the headlights weren't working so replaced the bulbs-one of which appeared to be burned/melted. We thought this was a fluke, replaced the bulbs and this worked for a little while. Then about another month passes, my son was pulled over by the police due to both taillights being out. This also presents a safety issue with other drivers on the road not being able to see the vehicle at night. When we inspected the taillights, we found that both taillights bulbs had also burned/melted and the socket appeared to have burn marks on them. We believe this is a major safety issue given it could have caused an electrical fire in the vehicle. I have photos of this, and we still have the headlights and taillights we have since replaced with a different manufacturer. There were no warning lights on the vehicle, this was discovered after we pulled them off to inspect after having numerous issues replacing bulbs. When I contacted the company today their responses do not seem to indicate any concern on their part about this issue. They offered to replace them, however, there is no way I am going to put their parts on any of my vehicles ever again.

Filed Nov 9, 2021 · Lights · IL

Low beam headlights burn out every 6 months, no matter the quality of bulb. Casings are discolored on the inside and light doesn't project beyond about 4 feet, doesn't reach the car bumper in front of me. Cannot be corrected with lens cleaning kits or improved with brighter bulbs. Very dangerous. I cannot see in low light or dark at all. I've had this car since 2013 and it gets progressively worse. Many forums online with same issue reported.

Filed Jun 24, 2020 · Body, Lights · SC

Every since I first purchased my car, my door handles are very loose, I've had to get the driver one fixed and it's loose again. It causes me to not be able to use that door. All my windows will not go up once I put them down and they are also making noises. My headlights are dimmer from when I first purchased the car, and I have to keep replacing them because they keep going out.

Filed Dec 28, 2019 · Lights · 109,000 miles · FL

The headlight bulbs burn out multiple times a year and on top of that, the lens have fogged up to the point that I was forced to replace the headlamps. The car was not drivable during dusk, night and dawn hours. The fog seems to be from the inside, since no amount of exterior cleaning would help. The rear break lights are also fogged up and the inside red plastic is also melted. These are some major safety issues. I have replaced the headlamps, but it seems like the new ones will have the same issue in the years to come.

Filed May 6, 2019 · Lights · IL

The low beam head lights are very dim, replaced bulbs several times and can not see 10 feet in-front of car. Took to dealer and they replaced a part on both low beam head lights but I still cannot see 10 feet in-front of vehicle.