Jeep Wrangler: Horn Quit Working
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Date: 2020-08-05
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Comments and reviews: 10
Dillon
Good find! I had to chase a problem with the horn on my 06 mustang so it would pass inspection. Fuses good, relays good. Horn was good when I gave it power. Tested the horn switch in the steering wheel and checked the clock spring all good connections. Diagram showed where the horn button connected to the bcm. checked there and bingo. couple large connectors. got those popped off and sure enough inside this where it connected to the bcm some of the bcms pins had the crustys and one was no longer existant. sure enough that one was my horn. Odd for being in that sealed connection. Ended up getting another bcm used on ebay and now my horns works. Later on I think I may have found why it got the crustys. Friend was riding with me one day while it was pouring rain. Next thing he starts saying his feet are getting wet lol. Found the drain under the wipe cowl was plugged. Filled the hvac box full of water which was running down on you guessed it, the bcm directly below.
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Good find! I had to chase a problem with the horn on my 06 mustang so it would pass inspection. Fuses good, relays good. Horn was good when I gave it power. Tested the horn switch in the steering wheel and checked the clock spring all good connections. Diagram showed where the horn button connected to the bcm. checked there and bingo. couple large connectors. got those popped off and sure enough inside this where it connected to the bcm some of the bcms pins had the crustys and one was no longer existant. sure enough that one was my horn. Odd for being in that sealed connection. Ended up getting another bcm used on ebay and now my horns works. Later on I think I may have found why it got the crustys. Friend was riding with me one day while it was pouring rain. Next thing he starts saying his feet are getting wet lol. Found the drain under the wipe cowl was plugged. Filled the hvac box full of water which was running down on you guessed it, the bcm directly below.
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David
A little late here, but just found and watched this. I hate the TIPM idea. Permanately mounting relays into a circuit board is a bad idea, especially for those on high use circuits, like the cooling fans. I'm glad that Chrysler abandoned that concept. Eric, you may already know this by now, Chrysler has schematics/illustrations in the wiring diagram section that show where every connector, splice, and ground are located. Very useful for when you're looking for things and don't want to tear the vehicle apart to find them. It's saved me countless times.
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A little late here, but just found and watched this. I hate the TIPM idea. Permanately mounting relays into a circuit board is a bad idea, especially for those on high use circuits, like the cooling fans. I'm glad that Chrysler abandoned that concept. Eric, you may already know this by now, Chrysler has schematics/illustrations in the wiring diagram section that show where every connector, splice, and ground are located. Very useful for when you're looking for things and don't want to tear the vehicle apart to find them. It's saved me countless times.
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Scooter
I realize that years ago we could honk the horn with a cheap mechanical switch and maybe a relay but you have to look at today's sophisticated vehicles with a philosophical eye. If you didn't have all of that myriad of electronic gear to assist you in honking the horn you wouldn't have a reason to buy all that shiny new testing equipment (toys) and your wife or girlfriend would look at you with that look that says, Do you really need that? The kids need braces, the house is too small, I need new shoes, and the dog has a vet appointment. LOL
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I realize that years ago we could honk the horn with a cheap mechanical switch and maybe a relay but you have to look at today's sophisticated vehicles with a philosophical eye. If you didn't have all of that myriad of electronic gear to assist you in honking the horn you wouldn't have a reason to buy all that shiny new testing equipment (toys) and your wife or girlfriend would look at you with that look that says, Do you really need that? The kids need braces, the house is too small, I need new shoes, and the dog has a vet appointment. LOL
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Sharon
Good afternoon. My daughter has a 2013 wrangler with no horn or high beams. I believe they share the same fuse. I couldnt get any power on either side of the fuse when the horn is pressed. And turning on high beams turns off all headlights. Any suggestions? Thanks. Love your videos.
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Good afternoon. My daughter has a 2013 wrangler with no horn or high beams. I believe they share the same fuse. I couldnt get any power on either side of the fuse when the horn is pressed. And turning on high beams turns off all headlights. Any suggestions? Thanks. Love your videos.
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Brad
Eric, I'll give you a tip. Heat shrink can be stretched too. I use either a pair of needle nose pliers or forceps to stretch the heat shrink to fit over the terminal end. Slip into place, heat it and it will shrink right back to a nice tight fit.
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Eric, I'll give you a tip. Heat shrink can be stretched too. I use either a pair of needle nose pliers or forceps to stretch the heat shrink to fit over the terminal end. Slip into place, heat it and it will shrink right back to a nice tight fit.
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Guy
What's the matter with these guys, they're garbage! Good idea. Got a set for the shop and after they went right left on me for a third time on a short wire, right in the garbage. Talking about the red handled universal wire strippers.
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What's the matter with these guys, they're garbage! Good idea. Got a set for the shop and after they went right left on me for a third time on a short wire, right in the garbage. Talking about the red handled universal wire strippers.
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landlykke
Please help my horn is not working when i read the wire to the horn with a multimeter it gets 3. 7v even when the car is turned of and when i start the car and use the horn it gets 11. 3v anyone have an ide?
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Please help my horn is not working when i read the wire to the horn with a multimeter it gets 3. 7v even when the car is turned of and when i start the car and use the horn it gets 11. 3v anyone have an ide?
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james
i was in the motor vehicle trade for over 51 years, when a horn would not work 9 times out of 10 a f/n good clout with a 2lb hammer fixed it, if it did not we would strip the horn down and repair it, LOL.
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i was in the motor vehicle trade for over 51 years, when a horn would not work 9 times out of 10 a f/n good clout with a 2lb hammer fixed it, if it did not we would strip the horn down and repair it, LOL.
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autos
2010 JKU horn suddenly stopped working one day. Fuses were good. watched your video and made the same repair and it worked immediately. Found lots of corrosion inside the coating. Thanks for the video.
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2010 JKU horn suddenly stopped working one day. Fuses were good. watched your video and made the same repair and it worked immediately. Found lots of corrosion inside the coating. Thanks for the video.
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Gman
Don't underesimate how long it takes to fix a simple horn - just taken me two attempts on a Focus. Replaced both high & low in the end - corrosion at the terminals at each each horn.
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Don't underesimate how long it takes to fix a simple horn - just taken me two attempts on a Focus. Replaced both high & low in the end - corrosion at the terminals at each each horn.
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