Question about 2004 Ford F150
You have mentioned fuse and relay are good when activating the horn buttons does the relay sound/click. you can verify the horns are good by jumping connectors 3 & 5 of the relay socket with a fused jumper wire if the horns sounds the circuit and the horns are good. Terminal 2 with a DVOM to ground when activating the horn buttons would test that circuit. If that fails you have a faulty clock spring assembly or what is called a sliding contact.
Posted on Jul 18, 2009
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Posted on Jan 02, 2017
Simply have it replaced, horns on domestics usally stop working as mine did on my 93 lumina, it stopped working and I had it replace and it worked fine after that.
Posted on Aug 21, 2009
Usually the wire from the steering wheel is Green w/Red and the wire to the horn from the fuse box is White. There is only one fuse, sometimes shared with the emergency lights. Check to see if there is power to the horn itself with a volt meter.
Posted on Dec 30, 2008
SOURCE: volvo S60 2005 horns not working
Remove the wire connector from each horn and attach a voltmeter or test light. Have a helper push the horn button while you check for voltage. If there's no power getting to the horns you have to work your way back to the relay checking for shorts. If there is power try holding the horns metal mount against a good ground like an engine bolt or the sub frame. And with wire reconnected have your helper try the horn again. If it sounds then clean rust away from mounting bolt and car (rad support or grill bracket), and look for a loose or broken ground strap to the rad support (from either the battery or engine). If both horns still don't work either they're clogged with snow or dirt (bring them inside to defrost or clean out), or they need to be replaced.
Posted on Feb 07, 2009
hi did you also checked the horn itselfs. when you take out the horn and look at the back you will see a adjust srew with sealingmastic on it. you can remove the sealingstuff and try to adjust the horn. this only works if the coil is not broken. but first you have to check the connection inside the steeringwheel. make sure the switch in the steeringwheel is making contact to earth. if this all doesnt work you have to buy a new one goodluck.
Posted on Feb 16, 2010
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