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My horn is not working. Neither when I press the center of the steering wheel and when I double click the lock button on the key fob. The 15amp fuse is still good and I can hear the relay clicking every time I engage the horn. I seen a video related to this subject on YouTube and they recommended cleaning the corrosion from the prongs of the horn plug. There was a small amount of corrosion on the prongs. I used a small file, cleaner and dielectric grease and still nothing! I then took the horn out of the truck and wired it directly to a battery to verify that the horn works and it does. I'm completely stumped on what to do next. Any suggestions would be greatly appreciated.

Hey, I have a 2018 GMC Sierra 1500 5.3 L. A few weeks ago I slammed on my horn too hard and the horn wouldn't stop until I took the fuse out. If I put the fuse back in, the horn blows continuously so I have taken the fuse back out but now I can't use the horn. I would like to try and fix the issue myself instead of bringing it into a dealership but can't find any videos or tutorials on how to fix the horn button switch which I think is the issue. If anyone has any feedback, please I'd appreciate something because I am not having much luck on my end. Thanks,

I purchased a 2021 Silverado Crew Cab High Country 4WD about 4 months ago from Watson Chevrolet in Tucson Arizona. Within week of driving the truck I began noticing some pretty strange sporadic things happening. I started video taping the issues when I could to document what was happening. Ticking noise coming from the engine when cold starting, sporadically have hourglass on stereo saying “loading” it would continue until the engine was turned off and back on then it was OK. “Park Assist” Error message sporadically popping up while driving down the road, Horn honking (three short honks) for no reason while sitting in traffic at a red light. At 900 miles I reached out to the dealer and told them these concerns and issues I was experiencing. The service manager explain to me “the truck has a lot of technology and it just needs to learn your driving habits, you just need to keep driving it” At 11,000 and 3 months after purchasing I get the loud lifter noise, “Service parking brake”message, “steering assist reduced” message, “Service ESC light” and “check engine light” I drove it into the other dealership located in Tucson (O’Reilly Chevrolet), they keep the truck for about three weeks and “replace lifters on one bank and 1 bent push rod” and tell me that they couldn’t duplicate any of the other issues however they did a firmware upgrade and everything should be fine. One week after getting the truck back (11500 miles) I get another check engine light, Keep in mind I can still hear the lifters ticking when starting it first thing in the morning. I take back to the dealer after a week of a being in the shop, They tell me “The check engine light was because there was multiple cylinder misfire and it was the opposite bank from the lifters they replaced” however they can’t duplicate the problem so there’s nothing they can do. They admitted that the computer had logged over 200 misfires on one cylinder and that’s what made the check engine light turned on, then they go on to tell me they can’t duplicate the problem so there’s nothing they can do. I asked them about the ticking noise when starting and the tell me “that’s normal, it’s not lifter noise you’re hearing, it’s the new technology fuel pumps GM is using that’s making that noise” Other issue I have had is the rotors on all four wheels at times will turn blue and discolored as if the brakes and her have been completely overheated. But it’s not the entire rotor It’s only the center inch of all rotors. The inside edge and outside edges look normal. I have a purchased over 11 band new (Ford, Chevy, Dodge, Toyota) Trucks in the past 30 years this is by far the worst freaking vehicle I have ever purchased.

I had my 6.6 Duramaxx overhauled and the “mechanic” has completely screwed up my truck. So my major problem now is the horn has stopped working. I’ve checked all fuses, relay, power to horns, replaced horns, cleaned connection between the horn contact, even soldered the end to ensure good connection. The best I can figure is the ground going to the steering wheel is bad. I read on one of these forums that someone used a 12ga wire and ran a new ground to the steering wheel. Does anyone have any suggestions on the best and quickest way to determine if this will work and how to run it?

Anyone have a unique or nice sounding horn that will just plug and play? I see them online but most do not include a sound file so you can hear them. UGH WW