2005 Chevrolet Trailblazer Ext 370 electrical system problems
The 2005 Chevrolet Trailblazer Ext 370 has 104 electrical system complaints filed with NHTSA — 35% of the year's total, and up sharply from the prior model year.
104
Electrical System complaints
35%
Share of year
2
Crash-involved
0
Related recalls
Electrical System complaints by year
What owners report
“WINDOW SWITCH PANEL ON DRIVERS DOOR CAUGHT FIRE OVERNIGHT WHILE PARKED IN GARAGE. NO PROBLEMS BEFORE THIS EVENT. FUSE BLEW STOPPING THE ELECTRIC CURRENT AND THE FIRE BURNT OUT ON ITS OWN. I DISCOVERED THE DAMAGE IN THE MORNING AS I WAS GETTING IN THE VEHICLE TO DRIVE TO WORK. *TR”
Common questions
How many electrical system complaints does the 2005 Chevrolet Trailblazer Ext 370 have?
NHTSA has 104 complaints about the 2005 Chevrolet Trailblazer Ext 370 electrical system — 35% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.