Painless Wiring 21 Circuit Non-GM Column Wiring Harness — Universal Classic Kit

SKU: DHDT_10102
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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 Painless Wiring

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

Watch in action

Versatile Electrical Solutions for Custom Builds

Take control of your vehicle's electrical architecture with the Painless Wiring 21 Circuit Non-GM Column Wiring Harness. This universal kit is designed for builders who need a robust, flexible wiring solution that isn't tied to a specific GM steering column. Whether you are working on a custom street rod, a classic truck, or a unique project car, this harness provides the power and organization required for a modern, reliable electrical system.

Key Features and Benefits

  • 21 Customizable Circuits: Includes all necessary power feeds for lights, ignition, gauges, and accessories.
  • Non-GM Column Compatibility: Designed for universal fitment with various aftermarket and non-GM steering columns.
  • Color-Coded Wiring: Clearly labeled wires make installation intuitive and efficient.
  • High-Grade Components: Built with premium TXL wire and durable connectors for long-lasting performance.
  • Complete Kit: Includes all the necessary hardware to wire your entire vehicle from front to back.

Building a custom car requires components that can adapt to your specific needs. This 21-circuit harness offers the flexibility to add modern amenities like electric fans, fuel pumps, and high-output audio systems without overloading your electrical grid. By replacing outdated or hacked-up factory wiring, you improve both the safety and performance of your vehicle. Trust in the quality and engineering excellence of Painless Wiring to provide the backbone of your project. Find all the electrical components you need for your next build at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Painless Wiring

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

Watch in action

Versatile Electrical Solutions for Custom Builds

Take control of your vehicle's electrical architecture with the Painless Wiring 21 Circuit Non-GM Column Wiring Harness. This universal kit is designed for builders who need a robust, flexible wiring solution that isn't tied to a specific GM steering column. Whether you are working on a custom street rod, a classic truck, or a unique project car, this harness provides the power and organization required for a modern, reliable electrical system.

Key Features and Benefits

  • 21 Customizable Circuits: Includes all necessary power feeds for lights, ignition, gauges, and accessories.
  • Non-GM Column Compatibility: Designed for universal fitment with various aftermarket and non-GM steering columns.
  • Color-Coded Wiring: Clearly labeled wires make installation intuitive and efficient.
  • High-Grade Components: Built with premium TXL wire and durable connectors for long-lasting performance.
  • Complete Kit: Includes all the necessary hardware to wire your entire vehicle from front to back.

Building a custom car requires components that can adapt to your specific needs. This 21-circuit harness offers the flexibility to add modern amenities like electric fans, fuel pumps, and high-output audio systems without overloading your electrical grid. By replacing outdated or hacked-up factory wiring, you improve both the safety and performance of your vehicle. Trust in the quality and engineering excellence of Painless Wiring to provide the backbone of your project. Find all the electrical components you need for your next build at GGCRACING.

Product Details

Product Description

About Painless Wiring

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

Watch in action

Versatile Electrical Solutions for Custom Builds

Take control of your vehicle's electrical architecture with the Painless Wiring 21 Circuit Non-GM Column Wiring Harness. This universal kit is designed for builders who need a robust, flexible wiring solution that isn't tied to a specific GM steering column. Whether you are working on a custom street rod, a classic truck, or a unique project car, this harness provides the power and organization required for a modern, reliable electrical system.

Key Features and Benefits

  • 21 Customizable Circuits: Includes all necessary power feeds for lights, ignition, gauges, and accessories.
  • Non-GM Column Compatibility: Designed for universal fitment with various aftermarket and non-GM steering columns.
  • Color-Coded Wiring: Clearly labeled wires make installation intuitive and efficient.
  • High-Grade Components: Built with premium TXL wire and durable connectors for long-lasting performance.
  • Complete Kit: Includes all the necessary hardware to wire your entire vehicle from front to back.

Building a custom car requires components that can adapt to your specific needs. This 21-circuit harness offers the flexibility to add modern amenities like electric fans, fuel pumps, and high-output audio systems without overloading your electrical grid. By replacing outdated or hacked-up factory wiring, you improve both the safety and performance of your vehicle. Trust in the quality and engineering excellence of Painless Wiring to provide the backbone of your project. Find all the electrical components you need for your next build at GGCRACING.

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