REESE Brake Control Wiring Harness Adapter — Fits 2011-2021 Jeep Grand Cherokee

SKU: BCKX_3045
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About REESE

REESE engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full REESE lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Simplify Your Brake Controller Installation

Achieve a professional-grade trailer brake controller setup in your Jeep Grand Cherokee with the REESE Brake Control Wiring Harness. This high-quality adapter is specifically engineered to bridge the gap between your vehicle's factory wiring and your aftermarket brake controller, eliminating the need for tedious cutting or splicing of wires.

Why Choose This Harness?

  • Plug-and-Play Design: Connects directly to the factory port for a hassle-free installation.
  • Vehicle Compatibility: Custom-fit for Jeep Grand Cherokee models from 2011 through 2021.
  • Reliable Connectivity: Ensures consistent signal transmission for responsive trailer braking.
  • Durable Construction: Built with high-quality materials to withstand daily use and vibrations.

Installing a brake controller is a critical step for safe towing, and this harness makes the process faster and more reliable. By utilizing the factory-integrated connection points, you protect your vehicle's electrical system while ensuring that your trailer brakes engage correctly every time you hit the pedal. This adapter is the perfect solution for DIYers who want a clean, factory-style installation without the complexity of traditional wiring methods. Experience seamless towing performance and maintain your vehicle's electrical integrity with this essential adapter from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About REESE

REESE engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full REESE lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Simplify Your Brake Controller Installation

Achieve a professional-grade trailer brake controller setup in your Jeep Grand Cherokee with the REESE Brake Control Wiring Harness. This high-quality adapter is specifically engineered to bridge the gap between your vehicle's factory wiring and your aftermarket brake controller, eliminating the need for tedious cutting or splicing of wires.

Why Choose This Harness?

  • Plug-and-Play Design: Connects directly to the factory port for a hassle-free installation.
  • Vehicle Compatibility: Custom-fit for Jeep Grand Cherokee models from 2011 through 2021.
  • Reliable Connectivity: Ensures consistent signal transmission for responsive trailer braking.
  • Durable Construction: Built with high-quality materials to withstand daily use and vibrations.

Installing a brake controller is a critical step for safe towing, and this harness makes the process faster and more reliable. By utilizing the factory-integrated connection points, you protect your vehicle's electrical system while ensuring that your trailer brakes engage correctly every time you hit the pedal. This adapter is the perfect solution for DIYers who want a clean, factory-style installation without the complexity of traditional wiring methods. Experience seamless towing performance and maintain your vehicle's electrical integrity with this essential adapter from GGCRACING.

Product Details

Product Description

About REESE

REESE engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full REESE lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Simplify Your Brake Controller Installation

Achieve a professional-grade trailer brake controller setup in your Jeep Grand Cherokee with the REESE Brake Control Wiring Harness. This high-quality adapter is specifically engineered to bridge the gap between your vehicle's factory wiring and your aftermarket brake controller, eliminating the need for tedious cutting or splicing of wires.

Why Choose This Harness?

  • Plug-and-Play Design: Connects directly to the factory port for a hassle-free installation.
  • Vehicle Compatibility: Custom-fit for Jeep Grand Cherokee models from 2011 through 2021.
  • Reliable Connectivity: Ensures consistent signal transmission for responsive trailer braking.
  • Durable Construction: Built with high-quality materials to withstand daily use and vibrations.

Installing a brake controller is a critical step for safe towing, and this harness makes the process faster and more reliable. By utilizing the factory-integrated connection points, you protect your vehicle's electrical system while ensuring that your trailer brakes engage correctly every time you hit the pedal. This adapter is the perfect solution for DIYers who want a clean, factory-style installation without the complexity of traditional wiring methods. Experience seamless towing performance and maintain your vehicle's electrical integrity with this essential adapter from GGCRACING.

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