Horn button
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Elder User
Joined: Jun 2012
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Horn button
Can one of you guys show me or explain to me how the horn wiring/button all worked on a 52 F-7. I have the wiring schematics from the service manual but it appears they have left out the horn. I see the small wire coming out the bottom of the steering box.
I have pulled out the horn button and see that there are no other connections made anywhere.
I have installed a 12 volt new harness and need to figure out how to make all of this work and am curious how it originally worked. Thanks
I have pulled out the horn button and see that there are no other connections made anywhere.
I have installed a 12 volt new harness and need to figure out how to make all of this work and am curious how it originally worked. Thanks
Fleet Mechanic
Joined: Dec 2005
Posts: 1,603
Likes: 44
These work entirely by a contact plate at the horn button that grounds the
wire down the tube through the steering box. This wire then goes to the
ground terminal on the horn relay. Then the horn wire runs to the relay and
the other terminal is batt +. Relay should be right side on the firewall.
Relays available at any store 6 & 12 vts. I dont know if yours is now 12vt
but It will work fine even with 6vt horn and relay but the horn will be
louder.
wire down the tube through the steering box. This wire then goes to the
ground terminal on the horn relay. Then the horn wire runs to the relay and
the other terminal is batt +. Relay should be right side on the firewall.
Relays available at any store 6 & 12 vts. I dont know if yours is now 12vt
but It will work fine even with 6vt horn and relay but the horn will be
louder.
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Elder User
Joined: Jun 2012
Posts: 661
Likes: 0
These work entirely by a contact plate at the horn button that grounds the
wire down the tube through the steering box. This wire then goes to the
ground terminal on the horn relay. Then the horn wire runs to the relay and
the other terminal is batt +. Relay should be right side on the firewall.
Relays available at any store 6 & 12 vts. I dont know if yours is now 12vt
but It will work fine even with 6vt horn and relay but the horn will be
louder.
wire down the tube through the steering box. This wire then goes to the
ground terminal on the horn relay. Then the horn wire runs to the relay and
the other terminal is batt +. Relay should be right side on the firewall.
Relays available at any store 6 & 12 vts. I dont know if yours is now 12vt
but It will work fine even with 6vt horn and relay but the horn will be
louder.
Logistics Pro
Joined: Nov 2011
Posts: 4,685
Likes: 81
From: Northville, MI
Can one of you guys show me or explain to me how the horn wiring/button all worked on a 52 F-7. I have the wiring schematics from the service manual but it appears they have left out the horn. I see the small wire coming out the bottom of the steering box.
I have pulled out the horn button and see that there are no other connections made anywhere.
I have installed a 12 volt new harness and need to figure out how to make all of this work and am curious how it originally worked. Thanks
I have pulled out the horn button and see that there are no other connections made anywhere.
I have installed a 12 volt new harness and need to figure out how to make all of this work and am curious how it originally worked. Thanks
Below you will find a drawing from the Ford parts illustration manual. Make sure that you have all the parts. I have some extras if you need them.
Junior User
Joined: Aug 2012
Posts: 65
Likes: 0
From: Conesus, NY
I've got to get my horn working someday if I ever want the truck to pass the state inspection. I bought the wire and parts for the horn button but mine doesnt have a horn relay. I've seen pictures with the relay mounted under the voltage regulator and others have it mounted on the inner fender in front of the radiator. Any opinions on which is right?
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Elder User
Joined: Jun 2012
Posts: 661
Likes: 0
The horn button should work the same 12v or 6v except they are connected to 12v relay or horns. as big job indicated it provides the ground to make the horn(s) blow when pressed. Actually the 6v horns and relay will work fine as long as you are not one of those that likes to toot his own horn a lot.
Below you will find a drawing from the Ford parts illustration manual. Make sure that you have all the parts. I have some extras if you need them.
Below you will find a drawing from the Ford parts illustration manual. Make sure that you have all the parts. I have some extras if you need them.
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Logistics Pro
Joined: Nov 2011
Posts: 4,685
Likes: 81
From: Northville, MI
Sorry, mine came off my F-2.
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Elder User
Joined: Jun 2012
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No problem, thanks anyway. I would also like to find a gauge package if you run across one, dont need the speedo side but do need the other
Lead Driver
Joined: Dec 2004
Posts: 7,669
Likes: 13
From: San Jose, CA
Steering wheels and horn items are all the same for 48-52 F1-F8, COE and Panel. Just checked my parts catalogs. Part # 7RC-3627-C from the Nov 1954 catalog issue.
DC isn't always exactly correct on the application of a certain part. You'll be fine with ordering a horn button from them, even though they say it only goes up to an F6.
DC isn't always exactly correct on the application of a certain part. You'll be fine with ordering a horn button from them, even though they say it only goes up to an F6.
Lead Driver
Joined: Dec 2004
Posts: 7,669
Likes: 13
From: San Jose, CA
Thread Starter
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Elder User
Joined: Jun 2012
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Steering wheels and horn items are all the same for 48-52 F1-F8, COE and Panel. Just checked my parts catalogs. Part # 7RC-3627-C from the Nov 1954 catalog issue.
DC isn't always exactly correct on the application of a certain part. You'll be fine with ordering a horn button from them, even though they say it only goes up to an F6.
DC isn't always exactly correct on the application of a certain part. You'll be fine with ordering a horn button from them, even though they say it only goes up to an F6.
Logistics Pro
Joined: Nov 2011
Posts: 4,685
Likes: 81
From: Northville, MI
I do have a complete gauge package but it is for a 1948-1950.