1969 Chevy Impala Horn Switches, Relays, Connectors Chevy Impala 1969, Tru-Tech™ Horn Relay by Standard®. With 2 Mounting Screws. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the.. 1969 Chevy Caprice Electrical Parts | Switches, Sensors Chevy Caprice 1969, Horn Relay by WVE®. Connector Type: 2 Screw and 3 Spade Terminals. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in..