100% Plug-and-Play Compatibility: Designed for seamless integration with the Redline LED tailgate light bar, this harness ensures quick and tool-free installation on 2019-2021 Chevy Silverado 1500/2500/3500 and GMC Sierra 1500/2500/3500 models (not for 2022+). Perfect for DIY enthusiasts looking for a hassle-free upgrade. Error-Free Functionality: Engineered to avoid Blind Spot and Trailer Error Detection, this harness ensures smooth and uninterrupted operation of your LED tailgate light bar, maintaining your vehicle’s advanced safety systems. Durable and Weatherproof Design: Built with sealed, rust-resistant wiring and a snug fit, this harness is guaranteed to stay securely in place, even in harsh weather conditions. Ready to handle any situation with confidence. Preserve Original Connections: Allows a direct connection to your tailgate light bar while keeping your vehicle’s original trailer connector open and intact. No cutting or splicing required, ensuring a clean and professional installation. Premium Quality and Service: Made with high-strand count copper cores, ultra-low impedance, and insulating materials, this harness is rigorously tested for reliability and durability. Backed by for FANHAY’s 1 year customer service, offering peace of mind with every purchase.

✅ 100% Plug’n’Play Design: No cutting, splicing, or tools required! Seamlessly integrates with your Redline LED Tailgate Light Bar in minutes.

✅ Eliminates Trailer/Blind Spot Errors: Avoids false "Trailer Detected" or "Blind Spot System Fault" warnings for uninterrupted light bar functionality.

✅ Weatherproof & Durable: Sealed connectors and rust-resistant materials ensure reliability in all conditions.

✅ Preserve OEM Functionality: Keeps your truck’s original trailer connector intact and fully operational.

Compatibility:

2019 - 2021 for Chevrolet Silverado 1500

2021 - 2021 for Chevrolet Silverado 1500 LTD

2019 - 2021 for Chevrolet Silverado 2500 HD

2019 - 2021 for Chevrolet Silverado 3500 HD

2019 - 2021 for GMC Sierra 1500

2021 - 2021 for GMC Sierra 1500 LTD

2019 - 2021 for GMC Sierra 2500 HD

2019 - 2021 for GMC Sierra 3500 HD

Grille Types:

LT, RST, LT Trail Boss, LTZ, ZR2, High Country – BOWTIE emblem below grille row.

WT, Custom, Custom Trail Boss – letters below a row of grille

🚘 GMC Sierra 1500 (2019-2021):

Appearance feature: C-shape LED headlights.

⚠️ Not for 2022+ models.

Installation Steps (Quick & Easy!):

1️⃣ LOCATE: Find your vehicle’s OEM wiring harness (left/right side).

2️⃣ RELEASE: Press the latch to disconnect the OEM harness.

3️⃣ PLUG: Attach the corresponding socket.

4️⃣ CONNECT: Link to your Redline LED tailgate light bar.

Benefits:

🔹 Error-Free Performance: Prevents dashboard warnings and ensures smooth light bar operation.

🔹 Secure Fit: Snug connectors stay firmly in place, even on rough roads.

🔹 Sleek & Functional: Maintains your truck’s clean look while upgrading its lighting.

Package Includes:

📦Easy Connect Harness