Smoking horn button
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Tuned
Joined: Nov 2012
Posts: 410
Likes: 21
From: Longmont
Smoking horn button
In the 6 months I have owned my 63 f100 I have never had the horn work. I ordered a horn button and popped it on. I noticed the horn wire right at the horn had been unplugged and so I plugged it in. Not half way done the road my horn button started smoking like it was going to catch on fire. Unplugged the horn at the front and drove on. Any ideas? obviously something is wired wrong. Any pointers on wiring your horn right? I am also looking for a weber carb specialist here in San fernando Valley CA to help with some tuning and rejetting. Thanks
Posting Guru
Joined: Jul 2009
Posts: 1,005
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From: Ventura, CA
Theres not a whole lot to the horn wiring, just a wire up the column and a contact to ground it out if i remember right. Do you have pictures of what the turn signal switch looks like now that its burnt up?
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Tuned
Joined: Nov 2012
Posts: 410
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From: Longmont
I am not sure the turn signal is burnt up. When my mechanic was installing the elect fuel pump something went wrong and I didnt have interior lights or tail light or blinkers. He fixed everything but the blinkers.Would the horn not being grounded do this? There was literally white smelly smoke coming out of the horn button.
Logistics Pro
Joined: Mar 2005
Posts: 3,771
Likes: 80
From: tujunga, calif
You have a short somewhere in the system, there should be no power in the horn wire at the steering column or button. The horn wire is a ground, it runs to the horn relay, when you activate the horn it adds a ground to the relay which is hot all the time..
I would find a new mechanic after that mess.
I would find a new mechanic after that mess.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
and a contact to ground it out if i remember right.1961/62 F100/250 2WD is one type and the mounting plate is separate / 1963/64 F100/250 2WD is different than 1961/62 / 1965/66 F100/250 2WD/1966 F100 4WD is different again.
1961/66 F100/250 2WD; 1966 F100 4WD: On the outside of the steering wheel, visable when the horn button or ring is removed, is a hole that the horn brush and insulator (C2OZ-13A821-A) fit into.
The brush has a thin copper wire that snaps. People remove the wheel, tilt it, brush falls out unnoticed (as does the insulator sometimes).
Then when they re-install the steering wheel, wonder why the horn no longer blows.
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Tuned
Joined: Nov 2012
Posts: 410
Likes: 21
From: Longmont
thanks so much bill. I bet this is what happened. I DO however have a wire that comes off the left side of my actual horn. This wire was there but unplugged from the prong. It was plugged in last night along with wiring the elec fuel pump. Then we had smoke. Smoke stopped when I ran to the hood and unplugged this wire. When I get to my truck after work I'll upload a pic. My truck is at yet a different shop and I have confidence these guys will fins the problem. Thanks so much for the help. Update coming to you later this evening.
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