The Universal H4 Xenon Headlights Relay Harness (DC 12V, 2 Pack) is a plug‑and‑play relay kit for H4 headlight systems with Hi/Lo operation. It uses copper conductors and a compact relay to support HID/Xenon upgrades without modifying the vehicle harness.
Ideal for vehicles upgrading stock headlights to HID, it helps manage current flow for better stability and reduced wiring strain.
- 2-pack kit with plug-and-play relays
- Copper conductors offer heat and corrosion resistance
- Compatible with H4 headlamps and Hi/Lo switching
- 12V DC operation; no vehicle modifications required
- Easy install with minimal wiring effort
- Suitable for HID/Xenon headlight upgrades on 12V systems
Specifications: DC 12V operation; 2 relays included; copper wiring; compatible with H4 headlamps; plug‑and‑play installation.
Fit: Universal for H4 bulb sockets and most 12V automotive lighting installations.