63/64 Cadillac Website

Waking up an old trumpet horn

I just purchased a used trumpet horn at the Hershey swap meet. I was missing the trumpet horn, but had the two smaller horns. The two smaller horns both worked fine. I cleaned the bracket and bolted the trumpet horn down tight where one of the other horns was and hooked the power wire up to it. I heard a very weak honk and then just the click of the relay. The horn sounds like it has some corrosion shaking around inside of it. I'd hate to have to rebuild it. Any suggestions for reviving it???

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Comment by Jason Edge on October 10, 2014 at 7:33am: I'm on road to Birmingham AL and don't have access to my books and notes but that sounds correct and looks correct.

Comment by Chris Codd on October 10, 2014 at 1:04am: Checked the number again in some decent lighting and it is actually 899. Hopefully that is the correct horn for my '64 Cadillac. Now just to get it working -_-

Comment by Chris Codd on October 9, 2014 at 11:03pm: I'll double check that number tonight. I might be being dyslexic here. That's some great info on the rebuild, but I really hope I don't have to go through all of that.

Comment by Chris Codd on October 9, 2014 at 10:42pm: I believe the # was 898. I'll have to get a meter to check the ground but the other horn hooked to the same spot works fine. Thank you for the info Dave.

Comment by Chris Codd on October 9, 2014 at 9:18pm: Gonna have to sleep on this one. The adjustment screw won't budge. I'll let it sit over night with some PB blaster on it and let you know if I can get this thing working. The horn isn't giving any sign of life at the moment.

Comment by Chris Codd on October 9, 2014 at 8:33pm: No, I haven't tried that yet. My neighbors are going to love me.

Comment by Jason Edge on October 9, 2014 at 8:31pm: Have you tried turning the adjustment screw one way then the other while applying 12 volts.

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