Year Make Model | Painless Performance
Made in the USA
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Easy To Read Printed Wiring

Pro-Series Harnesses

Designed to meet the demands of the most professional builder!

If you have been using our 21 or 28 Circuit Customizable chassis harnesses over the years, it’s time you check out the ALL NEW Pro-Series!  The Pro-Series allows for customization of the harness by providing ample length wiring, giving you the freedom to route and cut the harness to fit your exact setup.  With over 25 GM connectors, you can turn your custom routed wiring into a Direct Fit for your build!  Just a few of the other upgrades include a 6 gauge charge wire for modern high amperage alternators, LED Smart Fuses, ground straps, light sockets, heat shrink, and much MORE!

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23 Circuit   25 Circuit
Smaller 12 Fuse Block Controlling 23 Circuits – No Power Windows or Power Door Locks   Larger 18 Fuse Block Controlling 25 Circuits – Dedicated Power Window and Lock circuits included