• RTBH820.jpg
  • h820_01_1.jpg
  • h4_male_zoomedout1.jpg
  • h820_02.jpg
  • retrobrighth4_adapter.jpg
  • retrobrighth4_adapter2.jpg
  • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
  • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
  • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
  • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
  • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
    • RTBH820.jpg
    • h820_01_1.jpg
    • h4_male_zoomedout1.jpg
    • h820_02.jpg
    • retrobrighth4_adapter.jpg
    • retrobrighth4_adapter2.jpg
    • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
    • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
    • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
    • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
    • Adapter H4 Non-Standard Plug Pin-Out Swap Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap Premium RetroBright
    Sale!

    Retrobright Holley RetroBright Adapter - H4 Non-Standard Plug - Pin-Out Swap H820

    Vendor: Retrobright
    Part Number: H820
    Save $1.51
    $12.07 $13.58

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    Product DetailsFAQReviewsRelated Products
    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.


    Retrobright Holley RetroBright Adapter - H4 Non-Standard Plug - Pin-Out Swap H820


    Specifications:

    Brand Holley RetroBright
    Category Electrical, Lighting and Body
    Connector H4
    43 Male Female
    342 2
    Emission Code 6
    Material Ceramic
    part type Headlight Wiring Harness
    Product Type Headlight Wiring Harness
    Qty 2
    Sub Category Wire, Cable and Related Components
    44 Male Female
    29 Pin
    Warning California Proposition 65
    338 3
    Brand Holley RetroBright
    Category Electrical, Lighting and Body
    Connector H4
    43 Male Female
    342 2
    Emission Code 6
    Material Ceramic
    part type Headlight Wiring Harness
    Product Type Headlight Wiring Harness
    Qty 2
    Sub Category Wire, Cable and Related Components
    44 Male Female
    29 Pin
    Warning California Proposition 65
    338 3
    Description_INV H4 PIN OUT ADAPTER
    Description_ASC The male plug (RBEC120) is also included and must be assembled once the proper pinout of the vehicle is determined. Simply slide the terminals in with the small pin facing inward and tug gently to ensure it has seated. If it pulls back out, use a small screwdriver or stiff metal object to push it outward just a fraction of an inch more until it seats in the male connector. See image 5.
    Description_DES Holley RetroBright Adapter - H4 Non-Standard Plug - Pin-Out Swap
    Description_EXT Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap - Premium
    Description_MKT 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.
    Description_FAB Allows Holley RetroBright Headlights to connect to any non-standard H4 Sockets or those that require a pin swap
    Description_FAB Eliminates the need to cut factory wiring
    Description_FAB Can be used to replace old and brittle factory sockets
    Description_FAB Easy to follow guide on common non-standard wiring conversions
    Description_INV H4 PIN OUT ADAPTER
    Description_ASC The male plug (RBEC120) is also included and must be assembled once the proper pinout of the vehicle is determined. Simply slide the terminals in with the small pin facing inward and tug gently to ensure it has seated. If it pulls back out, use a small screwdriver or stiff metal object to push it outward just a fraction of an inch more until it seats in the male connector. See image 5.
    Description_DES Holley RetroBright Adapter - H4 Non-Standard Plug - Pin-Out Swap
    Description_EXT Vehicles With Non-Standard 3 Prong Headlight Plugs or That Require a Pin Out Swap - Premium
    Description_MKT 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.
    Description_FAB Allows Holley RetroBright Headlights to connect to any non-standard H4 Sockets or those that require a pin swap
    Description_FAB Eliminates the need to cut factory wiring
    Description_FAB Can be used to replace old and brittle factory sockets
    Description_FAB Easy to follow guide on common non-standard wiring conversions


    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy
    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy
    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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