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Body/Chassis Wiring Harnesses

Premium Wiring Harnesses for Classic and Custom Builds

Ensure your classic car's electrical system is reliable and efficient with our high-quality American Autowire body and chassis wiring harnesses. At PSI Conversion, we offer a comprehensive range of harnesses tailored for Chevy, Ford, Oldsmobile, Pontiac, and universal applications that integrate seamlessly with our LS & LT wiring harness offerings. Our classic update kits, like those for the 1955-56 Chevy Passenger and 1967-68 Pontiac Firebird, provide modern wiring solutions for vintage vehicles.

We also feature universal wiring systems such as the Highway 15 Nostalgia and Power Plus series, ideal for custom builds. With our durable and well-designed wiring harnesses, you can trust your vehicle's electrical components to function flawlessly.

Explore our key products to upgrade your vehicle's wiring system:

  • Chevy - Body/Chassis Harness: Reliable harnesses for various Chevy models, ensuring efficient electrical systems.
  • Ford - Body/Chassis Harness: High-quality wiring solutions for classic Ford vehicles.
  • Oldsmobile - Body/Chassis Harness: Tailored harnesses for Oldsmobile models to enhance electrical performance.
  • Pontiac - Body/Chassis Harness: Custom-fit wiring harnesses for Pontiac vehicles.

Universal Chassis Harnesses: Versatile wiring systems suitable for various custom builds and applications.

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    Classic Update Kit - 1970 Ford Mustang

    SKU: 510243
    510243
    $1,149.00
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    Classic Update Kit - 1953-62 Chevy Corvette

    SKU: 510267
    510267
    $1,184.00
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    Classic Update Kit - 1967-68 Chevy & GMC truck

    SKU: 510333
    510333
    $850.00
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    Classic Update Kit - 1970-72 Chevy Monte Carlo

    SKU: 510336
    510336
    $1,126.00
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    Classic Update Kit - 1973-82 Chevy & GMC truck

    SKU: 510347
    510347
    $1,011.00
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    Classic Update Kit - 1965 Chevy Impala

    SKU: 510360
    510360
    $1,080.00
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    Classic Update Kit - 1966-68 Chevy Impala

    SKU: 510372
    510372
    $1,080.00
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    Classic Update Kit - 1968-72 Pontiac GTO

    SKU: 510540
    510540
    $1,034.00
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    Classic Update Kit - 1987 - 89 Ford Mustang

    SKU: 510547
    510547
    $1,460.00
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    Severe Duty Universal Wiring System

    SKU: 510564
    510564
    $965.00
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    Classic Update Kit - 1974-77 Chevy Camaro

    SKU: 510567
    510567
    $1,149.00
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    Classic Update Kit - 1978-80 Chevy Camaro

    SKU: 510581
    510581
    $1,230.00
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    Classic Update Kit - 1963-67 Chevy Corvette

    SKU: 510612
    510612
    $1,494.00
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    Classic Update Kit - 1969 Pontiac Firebird

    SKU: 510622
    510622
    $1,000.00
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    Route 9 Universal Wiring System

    SKU: 510625
    510625
    $379.00
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    Classic Update Kit - 1974-78 Pontiac Firebird

    SKU: 510683
    510683
    $1,253.00
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    Classic Update Kit - 1979-80 Pontiac Firebird

    SKU: 510689
    510689
    $1,379.00
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    Classic Update Kit - 1983-87 Chevy & GMC truck

    SKU: 510706
    510706
    $1,069.00
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    Highway 22 Plus Universal Wiring System

    SKU: 510760
    510760
    $712.00
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    Highway 15 Plus Universal Wiring System

    SKU: 510825
    510825
    $643.00
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Frequently Asked Questions

What are the benefits of using a body/chassis wiring harness in classic cars?

A body/chassis wiring harness provides modern reliability and efficiency, ensuring all electrical components function correctly and reducing the risk of electrical issues.

Can I use universal chassis harnesses in custom builds?

Yes, universal chassis harnesses are designed to be versatile and adaptable, making them ideal for custom builds where specific fitment might be challenging.

What makes PSI Conversion's wiring harnesses different from others?

PSI Conversion offers industry-leading American Autowire body and chassis harnesses which are made from high-quality materials, ensuring durability and reliability. They are designed for precise fitment and easy installation, tailored to specific vehicle models.

Are these wiring harnesses compatible with aftermarket accessories?

Yes, our wiring harnesses are designed to be compatible with both OEM and aftermarket accessories, ensuring flexibility in your vehicle upgrades as well as seamless integration with our LS & LT Standalone Wiring Harnesses.

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