GMC G2500 Chassis Wiring Harnesses

Get an exact fit for your

GMC G2500

Year

Choose Year

Year

Make

Choose Make

Make

Model

Choose Model

Model

Select Number of Circuits

All

24 products

Sort By:

Clear All

Fitment

GMC G2500

Products

12-Circuit Vintage Wiring Harness Cloth Covered Automotive Wire

Speedway Motors |

#91164012

12-Circuit Vintage Wiring Harness Cloth Covered Automotive Wire

(8)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$294.99

/each

American Autowire |

#910510004

American Autowire 510004 Power Plus 13 Circuit Wiring Harness

(4)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$454.10

/each

American Autowire |

#910510625

American Autowire 510625 Route 9 Circuit Wiring Harness

(3)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$383.80

/each

American Autowire |

#910500944

American Autowire 500944 Highway 15 Nostalgia Wiring System

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$1,931.35

/each

American Autowire |

#910510006

American Autowire 510006 Builder 19 Universal Wiring System

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$663.10

/each

Universal Wiring Harness Instructions - Installation

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Speedway Economy 12 Circuit Wiring Harness

In this Tech Tip, John answers a customer question about the Speedway 12 Circuit Wiring Harness.

How to Install a Wrap-Around 5 Point Harness Tech Talk

This video is a step-by-step guide on how to properly install a wrap-around 5 point harness seat belt. Joe and Kyle also talk about the benefits of the Speedway Motors 5 point harness seat belt combo.

GM Rally Wheels

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

GM HEI Ignition Distributor Wiring Diagrams and Guide

Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide. Ensure you are getting the best performance out of your ignition system.

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

Learn how to install a side detent shifter in a 1969 Chevy C10.

Replacing GM Rear End Spherical Bushings

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

New Product

Infinitybox |

#18100015

Infinitybox INFCODEX inCODE NGX System Programmer

Sold in Quantity:

Each

$335.00

/each

New Product

Infinitybox |

#18100016

Infinity Box 858-255 NGX Vintage Air Control Expansion Harness

Sold in Quantity:

Each

$49.00

/each

American Autowire |

#910510825

American Autowire 510825 Highway 15 Plus Universal Wiring Harness

(6)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$650.75

/each

Painless Wiring |

#91010104

Painless Wiring 10104 21 Circuit Classic Pickup Chassis Harness

(2)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$337.99

/each

American Autowire |

#910510760

American Autowire 510760 Highway 22 Plus Universal Wiring System

(4)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$721.05

/each

American Autowire |

#91051008

American Autowire 510008 Power Plus 20 Circuit Wiring Harness

(20)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$464.55

/each

Simple 12 Circuit Wiring Harness Kit with 12v Fuse Block

Speedway Motors |

#91064017

Simple 12 Circuit Wiring Harness Kit with 12v Fuse Block

(365)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$221.99

/each

Painless Wiring |

#910102040

Painless Wiring 10204 28 Circuit Pickup Chassis Harness

(2)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$395.99

/each

Painless Wiring |

#91001020

Painless Wiring 10220 28 Circuit Remote Trunk Mount Harness

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$549.99

/each

Painless Wiring |

#91050002

Painless Wiring 50002 21 Circuit Pro Street Harness Kit

(1)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$328.99

/each

Deluxe Universal 22 Circuit Wiring Harness with Install Package

Speedway Motors |

#91603076

Deluxe Universal 22 Circuit Wiring Harness with Install Package

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$746.99

/kit

12-Circuit Aftermarket Wiring Harness & 125 Piece Grommet Kit

Speedway Motors |

#9100174

12-Circuit Aftermarket Wiring Harness & 125 Piece Grommet Kit

(8)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$230.99

/kit

New Product

Infinitybox |

#18100009

Infinitybox INFLINKZ inLINK NGX Wireless Interface Kit

Sold in Quantity:

Each

$329.00

/each

New Product

Infinitybox |

#18100001

Infinitybox INFIPM1Z Intelligent Power Management Kit

Sold in Quantity:

Each

$1,999.00

/each

New Product

Infinitybox |

#18100003

Infinity Box INFPCELZ-1 POWERCELL NGX Output Controller Kit

Sold in Quantity:

Each

$549.00

/each

Painless Wiring |

#9109535

Painless Wiring 21-Circuit GM Pickup Harness/Switch Kit

(5)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$354.99

/kit

22-Circuit Aftermarket Wiring Harness & 125 Piece Grommet Kit

Speedway Motors |

#9100173

22-Circuit Aftermarket Wiring Harness & 125 Piece Grommet Kit

(13)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$250.99

/kit

Painless Wiring |

#91010308

Painless Wiring 10308 18 Circuit Customizable Chassis Harness

(4)

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$283.99

/each

22-Circuit Universal Automotive Aftermarket Wiring Harness Kit

Speedway Motors |

#91064022

22-Circuit Universal Automotive Aftermarket Wiring Harness Kit

(559)

High-quality, detailed instructions

Number of Circuits:

Fuse Block Included:

Yes

Compatible with GM Column:

Yes

$242.99

/each

Showing all 24 results

Shop Feedback:

Did you find what you are looking for?

GMC G2500 Chassis Wiring Harnesses

Number of Circuits

Brand

Availability

Discounts

Price

Customer Rating

Products

12-Circuit Vintage Wiring Harness Cloth Covered Automotive Wire

American Autowire 510004 Power Plus 13 Circuit Wiring Harness

American Autowire 510625 Route 9 Circuit Wiring Harness

American Autowire 500944 Highway 15 Nostalgia Wiring System

American Autowire 510006 Builder 19 Universal Wiring System

Related Articles

Infinitybox INFCODEX inCODE NGX System Programmer

Infinity Box 858-255 NGX Vintage Air Control Expansion Harness

American Autowire 510825 Highway 15 Plus Universal Wiring Harness

Painless Wiring 10104 21 Circuit Classic Pickup Chassis Harness

American Autowire 510760 Highway 22 Plus Universal Wiring System

American Autowire 510008 Power Plus 20 Circuit Wiring Harness

Simple 12 Circuit Wiring Harness Kit with 12v Fuse Block

Painless Wiring 10204 28 Circuit Pickup Chassis Harness

Painless Wiring 10220 28 Circuit Remote Trunk Mount Harness

Painless Wiring 50002 21 Circuit Pro Street Harness Kit

Deluxe Universal 22 Circuit Wiring Harness with Install Package

12-Circuit Aftermarket Wiring Harness & 125 Piece Grommet Kit

Infinitybox INFLINKZ inLINK NGX Wireless Interface Kit

Infinitybox INFIPM1Z Intelligent Power Management Kit

Infinity Box INFPCELZ-1 POWERCELL NGX Output Controller Kit

Painless Wiring 21-Circuit GM Pickup Harness/Switch Kit

22-Circuit Aftermarket Wiring Harness & 125 Piece Grommet Kit

Painless Wiring 10308 18 Circuit Customizable Chassis Harness

22-Circuit Universal Automotive Aftermarket Wiring Harness Kit

Popular Parts