OER Parts offers a wide selection of Relays for your 1966 Chevrolet Caprice. OER Parts offers 1966 Chevrolet Caprice Power Window Relay, 1966 Chevrolet Caprice Fuel Pump Relay, 1966 Chevrolet Caprice AC / Blower Motor Relay, 1966 Chevrolet Caprice Headlamp Relay, 1966 Chevrolet Caprice Coolant Fan Relay, 1966 Chevrolet Caprice Horn Relay, 1966 Chevrolet Caprice Fog Lamp Relay, and 1966 Chevrolet Caprice Multiple Task Relay.