The horns on my 59 Parisienne aren't working and I'm wondering if there's a fix? These are original Delco Remy's, model 361 and 362, made in Canada and I'd like to try and get them working if posible. I'm getting a slight tick when I bench test them but they are sealed units so I won't be able to see whats going on inside. A substance that looks like fine sand came out of each horn so it's either corrosion or something has disintegrated inside. I was wondering if there is something I could spray inside to possibly free them up?
There is a set of contacts inside that makes the buzz, and it gets amplified by the built in trumpet shape of the horn. In idle state, there should be 0 ohms resistance between the electrical terminal and the housing which gets bolted to ground.
Here's a video where the gent uses a titanium tip to grind off all the rivets to open the horn up. Cleaned the contacts, then closed it up again with machine screws & nuts. He's working on newer vintage horns, but the theory is the same. I kind of gave it a whirl a few years ago on a couple horns, but didn't really give it my full effort.
-- Edited by seventy2plus2 on Wednesday 2nd of August 2023 04:41:38 PM
Managed to get the low tone working by spraying contact cleaner inside, but the hi tone is pooched me thinks. I'll have to put some after market ones in until I can source a replacement.
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