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

This relay wiring harness is designed for H4 headlight systems, ensuring compatibility through an adapter harness. It features simplified installation, durable construction, and weatherproof design.

• The description claims the relay kit incorporates 14 AWG and 16 AWG UL 1015 copper wire.
• The description claims the ring-shaped M8 copper terminals maximize contact with the vehicle's battery studs.
• The description claims the relay sockets are protected by double-layer heat shrink tubing and sealed with waterproof adhesive.
• The description claims a 30A fuse housed in a waterproof fuse box ensures reliable operation.