42 problems related to headlights have been reported for the 2004 Chevrolet Trailblazer. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Chevrolet Trailblazer based on all problems reported for the 2004 Trailblazer.
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.
The contact owns a 2004 Chevrolet Trailblazer. The contact stated that the headlights flicker when they are activated. The lights only flicker upon deceleration. The dealer stated that the cause of failure was the ecm. The contact informed the dealer not to repair the vehicle. The current mileage is 36,167 and failure mileage was 36,000.
When headlamp burned out it was discovered that the plastic connector that the bulb plugs into had burned and melted.
I was just reading the complaints & thought I would submit a few of my own. Gas fillling is always a task as tank always seems to "overflow" & gas sprays out everywhere. I was told it is because of the type of filler line that gm uses. Headlights constantly going from normal to dim, to dimmer, then back to normal, regardless of driving conditions. Saw the one from the person being shocked, this too has always happened to me since the first day I bought the Trailblazer. If I touch the metal of the door upon exiting the vehicle theres a large jolt from static electricity I assume. The arc from this jolt is very visible & I estimate it to 2 inches in length at times (longer your in the vehilce. . . Bigger the arc). All the rubber trim on the backhath has come off. Plastic lining used on fenderwells constantly coming loose & must be reatached. Carpet around pedals has all come loose. I bought this vehicle Nov. 1 2004 & it is hardly been driven with only 6,000 miles yet seems to be falling apart already.
The contact stated the headlights were flashing on and off. The contact took the vehicle to the dealer three times. The dealer stated that this was normal activity. No cause has been determined. The manufacturer was contacted. They offered no free remedy. Updated 12/27/05.
Blower will go on by itself when manually turned on, the blower will go off for a few seconds and back on. The back windshield wiper will go by itself, the clock will turn to 12:00 when turned off, headlights flicker while driving, when using anything electrical in the car such as the electric windows, the head lights dim.
Headlights dim, battery gauge bounces back and forth to positive and negative.