2004 Chevrolet Trailblazer Electrical System Problems
NHTSA component category: ELECTRICAL SYSTEM · data through 07/12/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How electrical system ranks on this vehicle
Share of the 1,081 complaints citing each category; one complaint can cite several. Full breakdown on the 2004 Chevrolet Trailblazer overview page.
What owners report
“I OWN A 2004 TRAILBRAZER THAT HAVE THE SAME PROBLEM AS THE GM RECALL ON LOSE BRAKE-LAMP FUNCTION OR HAVE BRAKE LAMPS THAT ARE ALWAYS…”NHTSA complaint 10156514 — filed 05/01/2006
“WE HAVE A PROBLEM WITH OUR VEHICLE 2004 CHEVY TRAILBLAZER, PURCHASED NEW. IT HAS A PROBLEM WHERE IT WILL SHUT DOWN WHILE DRIVING. IT MAY…”NHTSA complaint 10154722 — filed 04/06/2006
“WHILE DRIVING AT NIGHT, I NOTICED THE DASH LIGHTS DIM AND HEADLIGHTS DIM AT THE SAME TIME. THE LIGHTS THEN IMMEDIATELY FLICKER BACK TO NORMAL…”NHTSA complaint 10153413 — filed 03/22/2006
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2004 Chevrolet Trailblazer have electrical system problems?
Electrical System is the most-reported problem area on the 2004 Chevrolet Trailblazer: 380 of 1,081 complaints on file (35.2%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2004 Chevrolet Trailblazer have in total?
1,081 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 56 involved a crash, 31 involved a fire, 74 reported injuries, and 4 reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.
