///IPF｜HARNESS・SWITCH・STAY - ipf-light Complete Wiring Harness Kit for IPF Head Light Series (600w MAX) 2 or 4 Lighting System for Low Beam OPEN WH-2：There is a car that causes abnormal blinking depending to the model. IPF high output head light, H4. - rocky-road IPF Headlight Harness. If you're looking to run bulbs 'hotter' then the factory 55/60w setup, you should plan on upgrading your wiring harness. Keep it safe and simple with this plug in harness from IPF. It draws power straight from the battery and bypasses all factory wiring to power your lights.