Q: Car horn in my 1997 Buick LeSabre not working

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My car horn has stopped working.

Hello. The easiest thing to check would be the fuse. You may need to get the owner’s manual to see which fuse it is, and its location. If the fuse is good, power at the horn needs to be checked. If there is no power, electrical testing will need to be performed to find the open or short in the electrical system for the horn. The electrical system for the horn is made up of not only wiring but also a relay and a switch. You may need the aid of a mechanic to perform electrical testing if needed.

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