H4 – 4 Headlamp System Wiring Upgrade Set

H4 – 4 Headlamp System Wiring Upgrade Set

This OER® Authorized wiring harness set upgrades the stock headlamp wiring on your vehicle to provide your new bulbs 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 vehicle. Two 30 amp relays provide added protection for your headlamp switch and wiring harness.

The OER® Authorized logo represents products that meet or exceed stringent OER® quality control standards. This item has been sanctioned and approved by OER®.