GENSSI H4/9003 HID Bi-Xenon Relay Wiring Harness For Bi-Xenon Bulbs Only H4 Bi-Xenon Relay Harness (No Bulbs Included) Works only with H4 (9003) Bi-Xenon Bulbs with the connectors shown in the picture Your connectors on your bulb must be the same for this relay to work 40A Relay / 35W or 55W Compatible / 12V Notice: Please verify on ours pictures, If your plug is different, you will need to splice