Having problems with your 1999 Buick LeSabre ?

The horn sounds wen you dont even push it.

\015 Wen driven the horn sounds with out you pushing the horn. And on hot days wen its parked. Horn sounds??\015 Posted / edited by AnonymousUser on : 18-09-2017

Answers :

You may have a short to ground from your battery.
I had a battery fall out of the holder and the positive post grounded out and caused the horn to blow. I though it was haunted until I discovered the problem. It had back fed positive voltage thru the ground to the horn.
Repair Help & Product Troubleshooting for 1999 Buick LeSabre

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