Question about 2004 Ford Focus

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2004 ford focus horn

Horn doesn't work, relay intact.

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  • yadayada
    yadayada May 11, 2010

    If the horn and relay check ok then the problem is in the clock spring rotating contact inside the steering column under the wheel.

  • paul erickson
    paul erickson May 11, 2010

    is the relay clicking? have you checked voltage to the horn.(to make sure the horn is good)

  • Anonymous Mar 22, 2014

    canot find the horn under any of the sides underwing shields


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  • 73 Answers

Clockspring is bad

Posted on Sep 12, 2008

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How to troubleshoot or wiring diagram info for remote keyless entry and horn, 2008 Ford Focus.

Did you check the horn relay ?
Horn The horn system consists of the following components:
  • horn switch (part of the driver air bag module)
  • horn relay
  • horn(s)
  • clockspring
  • The horn system consists of a relay, the steering wheel switch and 2 horns. The horns receive voltage from the switched side of the relay. The horn relay is controlled on its ground side by the steering wheel switch or the generic electronic module (GEM).
    The horn relay is supplied with constant voltage from the battery junction box (BJB) on circuit 30-DA1 (RD).
    The horn switch shares the clockspring with the air bag circuits, although each of these systems work completely independent of each other.

    Inspection and Verification
    1. Verify the customer concern.
    1. Visually inspect for obvious signs of mechanical or electrical damage.

    Visual Inspection Chart Mechanical Electrical
    • Horn(s)
    • Horn switch
    • Battery junction box (BJB) fuse 7 (40A)
    • Central junction box (CJB) fuse 33 (20A)
    • Circuitry
    • Horn relay
    • Clockspring
    • Generic electronic module (GEM)
    • BJB
    • CJB

    1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    1. If the concern is not visually evident, verify the symptom and GO to Symptom Chart .
    Symptom Chart Condition Possible Sources Action
    • The horn is inoperative
    • Fuse(s)
    • Circuitry
    • Horn relay
    • Horn switch
    • Horn(s)
    • Central junction box (CJB)
    • Battery junction box (BJB)
    • Go To Pinpoint Test A .
    • The horn is always on
    • Circuitry
    • Horn relay
    • Horn switch
    • Generic electronic module (GEM)
    • Go To Pinpoint Test B .
VEHICLE RELAYS Operation Diagnosis

Nov 24, 2016 | 2008 Ford Focus

1 Answer

Horn does not work

Did you unplug the horn first & put 12v to it

You have horn that doesn't work,get it working,
then you can work on what turns it on

I have never seen a horn relay fail in 50 years

Nov 19, 2012 | 1996 Ford Ranger SuperCab

1 Answer

Horn not working on 2009 ford focus

Horn, horn relay, or horn blow pad on steering wheel (if equipped)

Jun 26, 2012 | 2009 Ford Focus

1 Answer

1988 ford broncho horn doesn't work ,relay clicks when horn button is pushed,I replaced the horn it still doesn't work. what should I check next.

OK, try to use a test light and connect the horn lead to ground to see if there is current, and to see if it sounds. If it does, then the wiring is fine to the horn itself. The relay may click, but are the contacts ok? Maybe swap out the relay for a new one.

Nov 04, 2011 | Cars & Trucks

1 Answer

How to check if a horn works

I'm assuming that when you press on your horn pad the horn isn't working. So you are trying to figure out if it is the horn or something else. Well, either you can test for power at the harness that connects to the horn as the horn pad is pressed by someone else. If you get power then the horn is bad. Or you can test the horn directly by running a power wire to the terminal that connects to the Y/LG (Yellow wire with a thin light green strip) and connect the other terminal to a ground. If the horn sounds then the horn is good. If the horn is working, I would check the horns relay. Next I check the wiring and if it appears to be intact I would change the pad itself. I am forgetting the main thing. Check the fuse first, before you do anything.

Feb 09, 2011 | 2004 Ford Crown Victoria

1 Answer

How to fix a horn on a 2004 Ford Expedition? Where do I look if its not my fuses?


Dec 16, 2010 | 2004 Ford Expedition

1 Answer

Horn replacment

look under the dash at the fuse panel and locate the relay for the horn... replace it. quick way to tell which one it is is put your finger on each relay as you press the horn... the one that you can feel clicking is the one to replace.


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Feb 08, 2009 | 2004 Ford Focus

1 Answer

2004 Ford Focus SR Manual Sedan

check wires at horn if they are ok Replace the horn the clicking noise is the relay.

Nov 01, 2008 | 2004 Ford Focus

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