Chosen Solution
My horn doesn’t work at all on my chevy Tracker 2003 any ideas?
Bill, a few things come to mind. Check the fuse first. Make sure it is okay. After that check things like the horn itself. test it by applying 12 volts to the contacts. If it works, check the horn relay. The horn relay is located under the hood on the passenger side near the battery.
. If it still won’t work you may have trouble with the wiring on the horn button itself.This would be a bit more involved due to your air bag etc.