![H4/H5 Plug Adapter - Audette Collection ~ Porsche Lighting Restoration & BEST-IN-CLASS Porsche Parts](http://911bestinclass.com/cdn/shop/products/h5h4_{width}x.jpg?v=1681074045)
You need these if you have the later oval shaped H5 adapters (1987 on) to adapt to the 3-prong plugs on all of the headlights here.
You need these if you have the later oval shaped H5 adapters (1987 on) to adapt to the 3-prong plugs on all of the headlights here.