2003 Chevy Express Blower turns on by itself

2003 CHEVROLET EXPRESS
Avatar
RKI0026
  • MEMBER
  • 1 POST
Electrical problem
2003 Chevy Express Two Wheel Drive Automatic

The heater blower goes on by itself both while driving and while parked. The only way to turn it off when this happens is by disconnecting the wires on the unit against the firewall (next to battery).
Apr 3, 2009 at 8:14 PM
Advertisement
Avatar
ZACKMAN
  • ASE Certified Mechanic
  • 4,202 POSTS
  • ASE Certified Mechanic


https://images.2carpros.com/forum/automotive_pictures/55316_03g1500hvac_1.jpg


https://images.2carpros.com/forum/automotive_pictures/55316_03g1500hvac2_1.jpg


https://images.2carpros.com/forum/automotive_pictures/55316_03g1500hvac3_2.jpg


https://images.2carpros.com/forum/automotive_pictures/55316_03g1500hvac4_1.jpg

Apr 3, 2009 at 10:10 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.