H4 Relay Wiring Harness Kit for H4 LED Headlights Upgrading, for Positive & Negative Switched Headlights

Universal Compatibility:

Our H4 relay wiring harness is designed to work with both positive and negative switched headlight systems. The included adapter harness pack ensures compatibility with non-standard H4 sockets, seamlessly fitting our H4 plug

Simplified Plug & Play Installation:

A three-step process with no grounding required. First, connect to your existing H4 socket, then to the positive and negative battery terminals, and finally to your new H4 headlight-installation is complete

Safety-First AWG Cabling:

Our relay kit incorporates 14 AWG and 16 AWG UL 1015 copper wire, guaranteeing strict adherence to safety standards

Enhanced Performance:

The ring-shaped M8 copper terminals maximize contact with the vehicle's battery studs, minimizing wire heating risks and enhancing safety and efficiency

Durable Construction:

Engineered to withstand forces up to 80N, our wiring harness ensures that relays, connectors, and terminals remain securely in place, eliminating the risk of detachment

Weatherproof Design:

Relay sockets are protected by double-layer heat shrink tubing, and the relay is sealed with waterproof adhesive. A 30A fuse housed in a waterproof fuse box ensures reliable operation in all weather conditions

Wide Application:

Our H4 relay wiring harness kit compatible with Subaru Toyota Tacoma jeep pickup truck 9003/HB2 H5054 6052 6053 H6052 H6054 headlamp

Ensure Stable Operation of Headlights:

H4 relay wiring harness kit is designed to work with H4 LED headlights. Using a relay wiring harness can help provide a stable and consistent power supply to LED headlights