Datsun Roadster & Fairlady horn button inner O-ring. #8 on the diagram. This injection molded, soft & supple, correct tabbed, rubber ring insulates the horn from the steering wheel and provides the intermittent connection when you depress the horn button to ward off the SUV that just moved into your lane. Helps save on hand gesticulations and a vocal explicative that may offend your passenger or child in the third seat when the horn isn't working. If your horn O-ring is collapsed and dead you may have a horn that continually goes off and just won't quit. Either way it qualifies as a Datsun Roadsters most embarrassing moment.
