Removed the steering wheel, everything surprisingly clean behind for a 20+ yr old car. Unplugged the white plug at back of clocksprings and finds what looks and smells like brake fluid coating the plug and on the wiring.
After three lots of electrical contact cleaner on, in and through everything with 15mn intervals, I reassembled.
RESULTS.
Horn still sounds as before, only now if I use either horn button it will sound continuously, before it operated normally from the buttons before sounding continuously.
No Idea how brake fluid could have got there but if that's what it is I may have my answer. As brake fluid is a corrosive I would expect to see damage to the wiring or the plug pins, but pins are clean and wiring fine. So I'm left with another mystery, and a new twist in the problem.
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[SIGPIC][/SIGPIC]
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