Need help concerning horn problem. The horn on my 2005 Workhorse chassis won't work. The 20 amp fuse, 50 amp fuse and horn relay all test ok. I have also taken the horn switch on the steering wheel apart and it seems OK. Anyone can help please...
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It may be a false lead but I just repaired a similar problem on an older MH and it was the leads in the wiring harness which were slightly corroded. The fix was simple and involved replacing one set of male/female spade wiring connectors and cleaning the connectors on the horns themselves. When from none to full set working in about and hours time.
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