2003 Gmc Sonoma Horn Does Work Press Pad On Steering Wheel Sounds Security

2003 GMC SONOMA
33,400 MILES
Avatar
ROBERT CARR
  • MEMBER
  • 1 POST
my horn does not work when i press horn pad on the steering wheel but it sounds when i press the security button on mt key pad
Dec 26, 2012 at 4:56 PM
Advertisement
Avatar
JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
Usually the problem is the wiring in the steering column. Disarm the airbag before working on anything. Give me a second and I will post the horn wiring diagram.
Dec 26, 2012 at 4:59 PM
Avatar
JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
The horn button is a ground for the coil side of horn relay. Click on the link for wiring.

http://postimage.org/image/j3lqwp9jr/
Dec 26, 2012 at 5:05 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.