Diode Dynamics LED Elite Serious Fog Lamp

5x Brighter Yellow Fog Output with Amber Backlight for Subaru WRX, BRZ, Forester, Ascent, and Crosstrek

The Diode Dynamics DD7986 is the Elite Series Type Y Fog Lamp kit in 3000K selective yellow, engineered to replace the factory fog lights on compatible Subaru vehicles with a bolt-in LED upgrade that produces up to five times more output than halogen. The DD7986 uses a custom-engineered patent-pending optic with multi-die automotive emitters and high-power full-copper circuit boards to generate an 80-degree-wide SAE F3-compliant fog beam pattern with an extremely sharp cutoff at the top edge to avoid glare. Each DD7986 lamp also includes an integrated amber accent backlight that illuminates the full lens housing when wired to a constant 12V source. The backlight shuts off automatically when the main fog beam activates. Installation is plug-and-play using factory connectors on compatible Subaru models. The DD7986 is engineered and assembled in the United States and backed by an 8-year warranty.

Key Features

• 5x Halogen Output: The DD7986 custom optic and multi-die automotive emitters deliver up to five times the light output of OEM halogen fog lamps in the same housing space, providing a significant improvement in forward visibility in rain, fog, and low-light conditions
• 80-Degree SAE F3 Fog Pattern: The DD7986 projects an 80-degree-wide by 10-degree-tall fog beam with an extremely sharp upper cutoff and subtle color flicker at the pattern edge, a feature Diode Dynamics references as consistent with luxury OEM headlamps
• 3000K Selective Yellow: The 3000K yellow output of the DD7986 provides high contrast in rain, snow, and fog by filtering blue-spectrum light that scatters off water droplets, improving perceived road visibility versus white LEDs in adverse weather
• Integrated Amber Backlight: The DD7986 includes an amber LED backlight that illuminates the full lens housing for a distinctive visual signature. The backlight wires to any 12V constant source and shuts off automatically when the main fog beam activates
• Plug-and-Play Subaru Fitment: The DD7986 uses factory-matched connectors that plug directly into the OEM fog lamp wiring harness on compatible Subaru WRX, BRZ, Forester, Ascent, and Crosstrek models with no cutting, splicing, or controller module required
• IP68 Waterproof Rated: All DD7986 components meet IP68 waterproof standards and are tested for long-term operation from -40F to 185F (-40C to 85C) per SAE J575 durability standards
• 8-Year Warranty: Diode Dynamics backs the DD7986 with an 8-year limited warranty — 3 years of full replacement coverage plus an additional 5 years of protection against manufacturing defects
• Assembled in the USA: Diode Dynamics engineers and assembles the DD7986 in their St. Louis, Missouri facility using OEM-grade components and SAE-validated test procedures

This Part Fits

Specifications

What's Included

• Two (2) DD7986 Elite Series Type Y 3000K Yellow LED fog lamps (left and right)
• Plug-and-play wiring harnesses (OEM connector matched)
• Backlight tap connector for amber backlight wiring
• Mounting hardware
• Diode Dynamics installation instructions

About Diode Dynamics

Diode Dynamics is a St. Louis, Missouri-based LED automotive lighting company founded in 2006. They engineer and assemble all Elite Series and Stage Series LED products in the USA using OEM-grade components, SAE-validated testing, and full in-house optical design. Diode Dynamics is recognized as a pioneer of the Elite Series performance fog lamp concept, which produces measurably higher output than any OEM or competing aftermarket fog lamp in its class.

Frequently Asked Questions

The DD7986 is the Diode Dynamics Elite Series Type Y Fog Lamp in 3000K selective yellow, sold as a plug-and-play pair for compatible Subaru vehicles. The DD7986 uses a custom-engineered optic to produce an SAE F3-compliant 80-degree fog beam at up to five times the output of OEM halogen fog lamps, with an integrated amber backlight that activates when wired to a 12V constant source.

The DD7986 is the 3000K selective yellow version of the Diode Dynamics Elite Series fog lamp. The white version (sold under a different part number) outputs 6000K cool white. Yellow at 3000K filters blue-spectrum light that scatters in rain and fog, improving perceived road clarity in adverse weather. White provides higher raw brightness in clear conditions. Both versions share the same optic, housing, and SAE F3 fog beam pattern.

The DD7986 fits the 2022-2025 Subaru WRX (GT, Limited, Premium, TR, TS trims), 2022-2024 Subaru Forester (Limited, Premium, Sport, Touring, Wilderness trims), 2023-2025 Subaru Ascent (Limited, Onyx Edition, Premium, Touring trims), 2024-2026 Subaru Crosstrek (all trims), and 2017-2020 Subaru BRZ (Limited, Premium, Series trims). Confirm your specific year and trim match before ordering.

Yes. On compatible Subaru models, the DD7986 uses OEM-matched connectors that plug directly into the factory fog lamp wiring harness. No cutting, splicing, or external controller is required. The amber backlight uses a separate tap connector that connects to any 12V constant source for the desired function.

No. The DD7986 is a direct electrical replacement for the factory fog lamp on compatible Subaru vehicles and requires no coding, module, or resistor on supported models. If your vehicle has factory LED fog lamps, confirm compatibility before purchasing.

The amber backlight on the DD7986 illuminates the full fog lamp lens housing in amber when wired to a 12V constant source. It can be used as a DRL accent, a parking light accent, or a running light depending on how it is wired. The backlight shuts off automatically when the main fog beam is activated.

Diode Dynamics rates the DD7986 at up to five times the output of OEM halogen fog lamps. In independent testing, the Elite Series yellow fog lamps measured approximately 580 maximum lux on-target, compared to 340 lux for OEM LED fog lamps and significantly less for halogen. The 80-degree beam width is also wider than most OEM and competing aftermarket fog lamps.

The DD7986 is backed by an 8-year limited warranty from Diode Dynamics: 3 years of full replacement warranty plus an additional 5 years of protection against manufacturing defects, for a total of 8 years from the date of purchase.

Installation Instructions

1. Confirm the DD7986 matches your specific year, model, and trim by consulting the Diode Dynamics fitment guide before beginning
2. Open the hood or access the fog lamp area from below, depending on your vehicle's fog lamp access panel location
3. Disconnect the factory fog lamp OEM connector on each side
4. Remove the factory fog lamp housing by releasing the mounting clips or screws per your vehicle's service procedure
5. Install the DD7986 lamp into the OEM fog lamp housing location, aligning the mounting tabs with the factory retention points
6. Connect the DD7986 OEM connector directly to the factory wiring harness on each side. The connector is polarity-specific and will only seat in the correct orientation
7. Route the amber backlight tap connector to your chosen 12V constant source (parking light circuit, accessory circuit, or other constant supply) and connect per the included instructions
8. Test all lamp functions before reassembling: main fog beam activation, backlight activation, and automatic backlight shutoff when the main beam is on
9. Confirm beam aim has not shifted significantly from OEM aim; adjust if needed using the factory horizontal aim screw

WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.