2005 Horn blows, blows and will not stop - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 08-19-2011, 09:55 PM Thread Starter
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2005 Horn blows, blows and will not stop

The horn on my 2005 took on a mind of its own and started honking at things i was not even mad it. I had to pull the fuse to shut it off. I have messed with it and yet it still blows when i put the fuse back in. Yesterday i removed the center section and took the cover off. I assume the thin pad under the cover is the horn? I was hoping to find a broken piece upon removal but was surprised when i got in there. Anyone else have this problem or what areas do i need to look and how do i check out the parts? Thanks

2005 YELLOW f250, REMOVED PROGRAMMER, yellow guage cluster background, JL 5 channel amp, Infinity speakers, JL sub in custom box, aftermarket seat heaters, cab lights, 3 inch Lift. idle mod, 35 inch tires. 1979 YELLOW Corvette, 2005 YELLOW Dodge SRT 4 TURBO Neon, 2005 YELLOW Monte Carlo SS and a 1987 Buick Grand National for when the NEED FOR SPEED hits. I have dreams of painting this car YELLOW!!!!!!!!!!!!!!!!!!!!!!
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post #2 of 7 Old 08-20-2011, 04:54 AM
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sounds like the relay might have gone bad. It is under the hood in the relay box. Change that puppy and you should be ok. If not, then you have a grounding issue between the steering wheel and that relay. When you press the horn, it grounds the circut and triggers that relay, so it could be in the steering wheel itself. Good luck!

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post #3 of 7 Old 08-20-2011, 08:37 AM Thread Starter
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Thanks, i will give that a try. I hate dealing with little issues like this.

2005 YELLOW f250, REMOVED PROGRAMMER, yellow guage cluster background, JL 5 channel amp, Infinity speakers, JL sub in custom box, aftermarket seat heaters, cab lights, 3 inch Lift. idle mod, 35 inch tires. 1979 YELLOW Corvette, 2005 YELLOW Dodge SRT 4 TURBO Neon, 2005 YELLOW Monte Carlo SS and a 1987 Buick Grand National for when the NEED FOR SPEED hits. I have dreams of painting this car YELLOW!!!!!!!!!!!!!!!!!!!!!!
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post #4 of 7 Old 08-20-2011, 09:06 AM Thread Starter
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I thought checking the horn relay would be a simple chore, except i can not find it. The owners manual does not show a horn relay or i overlooked it. Is it labeled as a horn relay? 2005 6.0

2005 YELLOW f250, REMOVED PROGRAMMER, yellow guage cluster background, JL 5 channel amp, Infinity speakers, JL sub in custom box, aftermarket seat heaters, cab lights, 3 inch Lift. idle mod, 35 inch tires. 1979 YELLOW Corvette, 2005 YELLOW Dodge SRT 4 TURBO Neon, 2005 YELLOW Monte Carlo SS and a 1987 Buick Grand National for when the NEED FOR SPEED hits. I have dreams of painting this car YELLOW!!!!!!!!!!!!!!!!!!!!!!
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post #5 of 7 Old 08-20-2011, 09:30 AM
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Quote:
Originally Posted by 14mins View Post
I thought checking the horn relay would be a simple chore, except i can not find it. The owners manual does not show a horn relay or i overlooked it. Is it labeled as a horn relay? 2005 6.0
Gimme like 14mins, (LOL) I'll go look for it.

Denis "Lt. Sled"
2006 F-350 Crew Cab Long Bed Dark Shadow Gray

462hp / 927ft-lbs Corrected
ARP Head Studs, NUC Motorsports Oil Bypass, CFM+ Intake Elbow, Wicked Wheel 2
Bullet Proof Diesel FICM w/Atlas 40, SCT SF3 w/SPD by TSD! Grover Fire Truck Horns
Cab Light Mod, Blue Spring Mod, Zoodad Mod, High Idle Mod, Lost EGR Mod
LED Light Upgrades from Retro-Solutions 08-10 Side Mirrors from 1A Auto

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post #6 of 7 Old 08-20-2011, 10:26 AM
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Ok, I found where the relay is but it looks like it is not replaceable. It is probably soldered to the main fuse panel under the dashboard. I can hear it "clicking" but it is internal to the fuse panel (no, none of the relays there are the horn relay.) So, that leads me to believe that the circut is grounded somewhere between the steering wheel and the fuse panel. It might possibly be a bad switch in the steeing wheel. Now I know you pulled the cover off, but with the cover off, you don't really have a great chance of diagnosing it. It's just one metal surface touching another metal surface. You would probably have to remove the airbag in order to really know, but I've never done that on a superduty. It might be something you wanna take to Ford, this way if they pop that sucker, they replace it.

Denis "Lt. Sled"
2006 F-350 Crew Cab Long Bed Dark Shadow Gray

462hp / 927ft-lbs Corrected
ARP Head Studs, NUC Motorsports Oil Bypass, CFM+ Intake Elbow, Wicked Wheel 2
Bullet Proof Diesel FICM w/Atlas 40, SCT SF3 w/SPD by TSD! Grover Fire Truck Horns
Cab Light Mod, Blue Spring Mod, Zoodad Mod, High Idle Mod, Lost EGR Mod
LED Light Upgrades from Retro-Solutions 08-10 Side Mirrors from 1A Auto

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post #7 of 7 Old 08-20-2011, 04:00 PM Thread Starter
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I appreciate your help, i guess it is going to the shop. I have changed injectors, sct fittings, delete kits, valve springs, turbos, trannies and i can not fix a horn.lol That just blows.

2005 YELLOW f250, REMOVED PROGRAMMER, yellow guage cluster background, JL 5 channel amp, Infinity speakers, JL sub in custom box, aftermarket seat heaters, cab lights, 3 inch Lift. idle mod, 35 inch tires. 1979 YELLOW Corvette, 2005 YELLOW Dodge SRT 4 TURBO Neon, 2005 YELLOW Monte Carlo SS and a 1987 Buick Grand National for when the NEED FOR SPEED hits. I have dreams of painting this car YELLOW!!!!!!!!!!!!!!!!!!!!!!
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