American Autowire Classic Update Wiring Harness Kit — Fits 1973-1982 GM Pickup

SKU: BHZD_510347
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About American Autowire American Autowire engineers high-quality automotive parts and ...Read More

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Sale price$960.45
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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 American Autowire

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

Watch in action

Complete Electrical Overhaul for 73-82 GM Trucks

Bring your 1973-1982 GM C/K pickup truck into the modern era with the American Autowire Classic Update wiring harness. These trucks are legendary for their durability, but decades of service often lead to electrical fatigue. This kit provides a comprehensive solution, replacing your entire harness with modern, color-coded wiring and a contemporary fuse panel that accepts standard blade-style fuses.

Why Upgrade Your GM Truck Wiring?

  • Designed for 1973-1982 GM C/K series trucks
  • Modern blade-style fuse box with plenty of accessory circuits
  • Includes all necessary connectors and terminals
  • Designed for easy integration with modern gauges and lighting
  • High-quality, heat-resistant automotive-grade wire

Whether you are building a daily driver or a high-end show truck, this harness is designed to handle the load. It features dedicated circuits for modern upgrades, making it easier than ever to add power windows, electric fuel pumps, or high-performance audio systems. The installation process is streamlined by the use of factory-style connectors, allowing you to retain your original switches and dash components while enjoying the peace of mind that comes with a brand-new electrical system. Eliminate the frustration of chasing intermittent shorts and enjoy the reliability of a modern electrical setup. GGCRACING is your source for premium automotive wiring kits.

Product Details

Product Description
Part Numbers
Sizing & Fit

About American Autowire

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

Watch in action

Complete Electrical Overhaul for 73-82 GM Trucks

Bring your 1973-1982 GM C/K pickup truck into the modern era with the American Autowire Classic Update wiring harness. These trucks are legendary for their durability, but decades of service often lead to electrical fatigue. This kit provides a comprehensive solution, replacing your entire harness with modern, color-coded wiring and a contemporary fuse panel that accepts standard blade-style fuses.

Why Upgrade Your GM Truck Wiring?

  • Designed for 1973-1982 GM C/K series trucks
  • Modern blade-style fuse box with plenty of accessory circuits
  • Includes all necessary connectors and terminals
  • Designed for easy integration with modern gauges and lighting
  • High-quality, heat-resistant automotive-grade wire

Whether you are building a daily driver or a high-end show truck, this harness is designed to handle the load. It features dedicated circuits for modern upgrades, making it easier than ever to add power windows, electric fuel pumps, or high-performance audio systems. The installation process is streamlined by the use of factory-style connectors, allowing you to retain your original switches and dash components while enjoying the peace of mind that comes with a brand-new electrical system. Eliminate the frustration of chasing intermittent shorts and enjoy the reliability of a modern electrical setup. GGCRACING is your source for premium automotive wiring kits.

Product Details

Product Description

About American Autowire

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

Watch in action

Complete Electrical Overhaul for 73-82 GM Trucks

Bring your 1973-1982 GM C/K pickup truck into the modern era with the American Autowire Classic Update wiring harness. These trucks are legendary for their durability, but decades of service often lead to electrical fatigue. This kit provides a comprehensive solution, replacing your entire harness with modern, color-coded wiring and a contemporary fuse panel that accepts standard blade-style fuses.

Why Upgrade Your GM Truck Wiring?

  • Designed for 1973-1982 GM C/K series trucks
  • Modern blade-style fuse box with plenty of accessory circuits
  • Includes all necessary connectors and terminals
  • Designed for easy integration with modern gauges and lighting
  • High-quality, heat-resistant automotive-grade wire

Whether you are building a daily driver or a high-end show truck, this harness is designed to handle the load. It features dedicated circuits for modern upgrades, making it easier than ever to add power windows, electric fuel pumps, or high-performance audio systems. The installation process is streamlined by the use of factory-style connectors, allowing you to retain your original switches and dash components while enjoying the peace of mind that comes with a brand-new electrical system. Eliminate the frustration of chasing intermittent shorts and enjoy the reliability of a modern electrical setup. GGCRACING is your source for premium automotive wiring kits.

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