From:Dave Hennessey e-mail:dave-A-toyhouse.org
Subject:Oh No - Yoder No Go Date:Mon Apr 27 13:08:40 2015
My original Yoder horn has finally given up the ghost. When I pulled my 55 Hummer out this spring, I noticed the bulb was flopping around a little. Closer inspection shows the rubber is cracked near where it meets the ferrule.

Has anyone successfully re-bulbed this horn? Where did you find the replacement bulb?

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The change from 69001-55 to 69001-55A horn occurred in 1959, not 1960 as told in the How To Restore section. Here's a scan of a 1959 Supplement Spare Parts Catalog. But we still have no idea what the 69001-55A looked like...