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Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Ford
Satisfied Customers: 45585
Experience:  16 years experience
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2007 crown vic (police interceptor) and maybe because it was

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2007 crown vic (police interceptor) and maybe because it was a police car the horn is not working? Regardless, I need to know what to do to get my horn working. I can press the pad and hear a click, i don't know where to go from there.

Welcome, I'm Chris (aka Moose), my normal schedule online is around lunch and after dinner till early morning.

The click is it from the fuse box or from within the steering wheel?

Does the cruise control work?

Does the horn work with the panic button on the fob pressed?

Customer: replied 2 months ago.
click is on the steering wheel. there is no cruise control. no key fob.

If you remove the horn relay under the hood are there 2 pins which have battery voltage?

Customer: replied 2 months ago.
Where is this relay?

It is in the fuse box under the hood. Do you have a owners manual showing where all fuses and relays are?

Customer: replied 2 months ago.
No I do not
Customer: replied 2 months ago.
ok that big fuse is clicking when pressing the horn.

Thanks,

Since the relay is clicking can you remove the relay and confirm 2 pins are powered there? If so then we need to move onto checking the horns by hot wiring power to them.

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Thanks for using Just Answer, Chris

Customer: replied 2 months ago.
I replaced it with another good fuse, same thing- clicks but nothing

I never said to remove or replace a fuse. Are you sure your responding to the correct post, I see you have 3 open posts.

Customer: replied 2 months ago.
I meant relay...
Customer: replied 2 months ago.
I meant relay....

Thanks, ***** ***** do the steps I mentioned to do with the relay removed and checking for power to the horns?

Customer: replied 2 months ago.
ok i used my light yes there is power in 2 slots

Great, can you unplug the horns and see if that wire is powered from the relay when you press the horn. If it is then the horns are bad or not grounded good. If there is no power then they have cut the wire somewhere.

Hello again Chris here,

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Thanks Chris

Customer: replied 2 months ago.
Sorry busy weekend I'll check it out at the beginning of this next week for sure

Thanks for the update

Customer: replied 2 months ago.
sorry been crazy here- ok so there is no power to horns. I have another ford so I pulled horns from this crown vic and plugged them into my other ford- horns work perfectly. so there is clearly a wiring problem. next to the horn and all around there are cut wires everywhere (I'm guessing from all the police lights.). so to do this easier can you walk me through how to wire this to the working relay? thanks

The post has timed out an I do not have the option to submit answers. Once you have rated the post, reply and then I will as well.

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Customer: replied 2 months ago.
I did rate it. Can you help me further?

Thanks for rating and replying.

Here is the wire diagram for this circuit.

https://dl.dropboxusercontent.com/u/90220402/cvhorn.pdf

https://dl.dropboxusercontent.com/u/90220402/cvhorn1.pdf

Is any of this wiring still there able to use without adding relays?

Customer: replied 2 months ago.
thanks. I am not sure. so is this power wire yellow or green that I am looking for?

The yellow/light green wire should get powered by the relay when you press the horn.