SMY Rear Brake Light PNP Harness 4-Wire 2015-2021 WRX / STI | Plug-and-Play Installation | Electrical Harness
Overview
The SMY Rear Brake Light PNP Harness is designed specifically for 2015-2021 Subaru WRX and WRX STI models to streamline the installation of rear brake light kits that include reverse light functionality. This 4-wire harness simplifies wiring by eliminating the need to splice into the OEM harness, making it an ideal solution for Subaru enthusiasts looking to upgrade or replace their rear brake lights with minimal hassle.
Engineered with a plug-and-play approach, this harness maintains the integrity of your vehicle’s electrical system without altering the brake light output or functions. SMY’s focus on precise fitment and quality connectors ensures a reliable and secure connection, reflecting their commitment to Subaru-specific electrical components that meet the demands of performance and daily driving.
For Subaru owners, this harness offers a practical upgrade path that preserves factory wiring while speeding up installation time. Whether you’re installing aftermarket brake lights with reverse light integration or replacing factory components, this harness supports a clean, professional setup that aligns with the high standards of Subaru modification culture.
Features & Specifications
This SMY Rear Brake Light PNP Harness is engineered for 2015-2021 Subaru WRX and WRX STI models and features a 4-wire plug-and-play design. Constructed from durable automotive-grade wiring and connectors, it delivers a reliable electrical connection for Subaru enthusiasts seeking a clean, splice-free installation of rear brake light kits with reverse light functions.
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Brand: SMY
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Product: Rear Brake Light PNP Harness 4-Wire
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Part Number: RBL-4WIRE-VA
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Fitment: 2015-2021 Subaru WRX, 2015-2021 Subaru WRX STI
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Material: Automotive-grade wiring and connectors
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Finish: Black insulated wiring with female plug connectors
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Construction: Plug-and-play molded connectors
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Origin: Not specified
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Wiring Functions: Black = Ground (-), Red = Brake Light (+), Orange = Parking Light / Running (+), White = Reverse (+)
Key Benefits
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Installation Efficiency: Eliminates the need to splice into OEM wiring, reducing install time and complexity.
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Fitment Precision: Designed specifically for 2015-2021 WRX and WRX STI models ensuring perfect compatibility.
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Reliability: High-quality connectors provide secure, corrosion-resistant connections for long-term durability.
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Preserves OEM Wiring: Maintains factory wiring integrity, preventing potential electrical issues.
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Supports Reverse Light Function: Includes wiring for reverse lights integrated with brake light kits.
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Clean Installation: Helps achieve a professional, OEM-like wiring setup without visible splices or modifications.
What's Included
- 1× SMY Rear Brake Light PNP Harness 4-Wire
- 4× Female Plug Connectors
- PNP Wiring Guide
Installation & Compatibility
The SMY Rear Brake Light PNP Harness is designed for straightforward plug-and-play installation, making it accessible for enthusiasts with basic wiring knowledge. No special tools beyond standard hand tools are required, and the harness connects directly to the OEM rear brake light connectors. This reduces the risk of wiring errors and preserves the vehicle’s electrical system integrity. While the harness itself does not regulate or modify light output, it is essential to verify compatibility with your specific brake light kit and vehicle trim.
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Professional Installation: Recommended for those unfamiliar with automotive wiring
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Modifications Required: None; direct plug-and-play harness
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Verify Compatibility: Confirm fitment for your specific 2015-2021 WRX or WRX STI model and brake light kit
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