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RetroBright H820 - Retrobright Adapter. H4 Non-Standard Plug Swap
If you don't feel comfortable cutting up your factory wiring or don't want to attempt to swap pins on your headlight plugs, Holley RetroBright adapters make it a plug-and-play affair. If the standard H4 male plug used on Holley RetroBright Headlights will not fit your female socket or you need to swap pins around to match up properly, these harnesses will make the job quick and easy.
 
  • Allows Holley RetroBright Headlights to connect to any non-standard H4 Sockets or those that require a pin swap
  • Eliminates the need to cut factory wiring
  • Can be used to replace old and brittle factory sockets
  • 2x Holley RetroBright H4 Adapters

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RetroBright H820 - Retrobright Adapter. H4 Non-Standard Plug Swap
If you don't feel comfortable cutting up your factory wiring or don't want to attempt to swap pins on your headlight plugs, Holley RetroBright adapters make it a plug-and-play affair. If the standard H4 male plug used on Holley RetroBright Headlights will not fit your female socket or you need to swap pins around to match up properly, these harnesses will make the job quick and easy.
 
  • Allows Holley RetroBright Headlights to connect to any non-standard H4 Sockets or those that require a pin swap
  • Eliminates the need to cut factory wiring
  • Can be used to replace old and brittle factory sockets
  • 2x Holley RetroBright H4 Adapters

There is no documentation for this product.

No video avaliable.

0 of 0 reviews

Average rating of 0 out of 5 stars

Leave a review!

Share your experiences with other customers.


There are no installation notes for this product.

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RetroBright

We all love the look of classic sealed beam headlights, but the dim halogen light output makes nighttime driving a potentially risky endeavor for you and your beloved classic. Holley's new RetroBright Headlights offer a number of advantages over traditional sealed beam headlights such as better visibility, reduced power draw, no additional ballasts, and nearly 6 times longer life. Not only that, but because they are LED they take up less space, create far less heat, and use less power than other headlights.