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  1. 2011-2016 (Non Powertrain)
    2015 Sierra 2500HD Denali 6.6 Diesel. Horn doesn't work when engine is hot. Wont work using the steering wheel button and or when using the remote lock/unlock. Used a leaf blower to cool engine compartment below 90 degrees and horn works with steering wheel and remote. Fuse is good and both...
  2. Exterior
    So I want to get a train horn for my truck and I was doing some research on them and cant really decide what I want. Go the cheaper route and get smallest or spend the money and get the big shibang. Anyone have one that can give me there opinion on it?:coolphoto
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