Canbus wiring harness adapters -LED Decoder is used to detect LED failure/bulb rejection, excessive blinking, no blinking or bulb burnout indication, etc. -Eliminate interference and eliminate problems such as error codes Ensure that metal resistors do not come in contact with plastic wires to prevent plastic melting. -Solve the problems caused by low current draw when use LED bulb upgrade halogen bulb. -Prevent OBC warning error code,canbus error on specific vehicles Specification: Socket Type: 9004/HB/H4/HB2/9003/9005/HB3/9006/HB4/9012/H1/H3/H13/9008/H8/H9/H11/H16 Voltage: DC 12-14V 4A MAX Current Package include:2*LED light Decoder Canbus Drivers