Retro Bright H820 H4 Pin-Out Adapter for Non-Standard Headlight Sockets

The Retro Bright H820 adapter provides a plug-and-play solution for connecting Holley RetroBright LED headlights to vehicles with non-standard H4 sockets or those requiring pin-out swaps. This adapter eliminates the need to cut factory wiring and can be used to replace old and brittle factory sockets.

Key Features:

• Allows RetroBright headlights to connect when the standard H4 male plug will not fit your female socket or when pins need to be swapped
• Includes male plug (RBEC120) that must be assembled once the proper pinout of the vehicle is determined
• Sold as a pair - includes 2x Holley RetroBright H4 adapters
• Designed specifically for vehicles with non-standard 3-prong headlight plugs
• Simple installation - slide the terminals in with the small pin facing inward and tug gently to ensure proper seating

This wiring adapter harness makes retrofitting modern LED headlights quick and easy without modifying your classic vehicle's original wiring. Perfect for restoration projects where preserving factory wiring is essential.