H4 9003 HB2 Anti Flicker Harness TURBO SII LED Canbus Error Free Resistor Decoder Adapter Flash Warning Canceller For JK TJ LJ Headlights2PCS Anti Flicker

Specification: Socket Type: H4 9003 HB2 P43T Voltages: 12v to 14v Use for: Headlight issue/ fog light issue Work FOR Jeep Wrangler JK TJ LJ Headlights When will you need a decoder? While you install led headlights into your car and meet the problems like the situation below, you may need a decoder. 1.While you turn on the light after installation, the bulb keep flashing. 2.Computer shows error of headlights. 3.The bulb still keep lighting for a while although you have turned off the light. 4.Lighting is every dimmed, not bright as normally. 5.Just one headlight work, the other one doesn't work. Package included: 2 x H4 9003 canbus wiring harness adapter.