Did truck air horns used to be on a pull cord? When I was a kid, we used to ask trucks to sound their horns by a vertical pull motion. - Quora
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Amazon.com: GG Grand General 99494 Red and Black Air Horn Manual Pull Braided Cord with Ring, 11 inches in Length : Automotive
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Air Horn Pull Braided Cord - Grand General - Auto Parts Accessories Manufacturer and DistributorGrand General – Auto Parts Accessories Manufacturer and Distributor
Did truck air horns used to be on a pull cord? When I was a kid, we used to ask trucks to sound their horns by a vertical pull motion. - Quora
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Bendix 228013N Truck Air Horn Valve, Supply 1/4" NPT, Delivery 1/8" NPT: AnythingTruck.com, Truck & Trailer Parts and Accessories Warehouse
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