2008 Job 1 Horn wont work - Ford Powerstroke Diesel Forum
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Old 12-09-2010, 03:31 PM
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2008 Job 1 Horn wont work

Well the horn stopped working, Bob at OC diesel suggested that the horns might be blown out. I however dont think so, here's what its doing.

Fuse for the relay is not blown.
When i push the horn button i can hear a clicking sound but i cannot locate where it is coming from. Not sure if there is a removable relay for the horn or not.

What should i do?
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Old 12-09-2010, 08:10 PM
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Take a multi meter pull the connecter off the horns plug a meter in the wire going into the horn and one going to ground on the tuck, set it where you can see it or have someone watch it, try to use the horn see if current is running to them if so then they are no good if not then you have a bad relay. If you noticed I said them and horns, cause there is two of them on the truck. A high pitch and low pitch. Start following the clicking sound. It will be under that dash somewhere it should be a common relay, who knows with for it may be a dealer only. It should be a 20 am constant duty relay.
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Old 12-10-2010, 07:04 AM
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Yeah, i doubt the horns just went bad, i used them, and they just cut out when i pushed the button. Honked for a bit then went silent. My hearing isnt all that great so targeting the location of the noise is difficult
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