Welcome to Classic Industries®  v5.6

America's First Choice In Restoration
and Performance Parts and Accessories
Up To 25% OFF!* Online Orders Over $279
Upgrade Harness 4 Headlamp System

MX01133 - Upgrade Harness 4 Headlamp System

This wiring harness set upgrades the stock headlamp wiring on your vehicle to provide your new H4's with maximum power and decrease the chance of overloading the stock wiring and connectors.

Power will be drawn directly from your battery, eliminating voltage drops and ensuring headlamp system reliability.

The upgrade kit installs easily in 5-10 minutes without any cutting or splicing. Simply plug into your factory headlamp sockets, attach positive connectors to battery terminal and ground wires to the body of your …

+ Learn More

Product #: MX01133

In Stock Now!

MSRP: $30.99 set
Classic: $27.99 set



Up To 15% OFF* When You Pay With Classic Visa!  Show Off Your Enthusiasm for Cars & Get Great Rewards with Classic Industries Visa