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Can I replace a stock horn with a small air horn on a 2009 Silverado with out causing any computer or other problems?

This model of Silverado has only 1 horn and is not very loud .

Shouldn't be a problem and only a simple 1 wire hookup(grounded through frame) Harbor freight has air horns for as low as $10.The Bad Boy compact is $39 ($49 in chrome) and I know a few people that have used them on motorcycles.
http://search.harborfreight.com/cpisearch/web/search.do?keyword=horn&Submit=Go
Re-design7 years ago
I don't think there is any connection from the horn to the computer.