Mechanics

GMC SONOMA HORN PROBLEM

2003 GMC Sonoma • 33,400 miles

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
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Robert Carr
December 26, 2012.



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.

JDL
Dec 26, 2012.
The horn button is a ground for the coil side of horn relay. Click on the link for wiring.

http://postimage.org/image/j3lqwp9jr/

JDL
Dec 26, 2012.