ITEM NAME:Car Part H4 LED Headlight Error-Free Load Resistors Wiring Harness Adapters Description: - Error Free, eliminated error code on dash for 90% of the cars. - Cancel error message cause by On-Board Computer 'bulb out' or 'bulb failure' warnings error. - Help solve light flickering issue cause by car computer. - Pre-wired for direct plug and play, bypass wiring like regular load resistors. - Load resistors will ensure the LED bulbs light up full power without malfunction issue. - Easy to install. - Input Voltage: 12V - For: H4 Headlight - Material: Plastic and Metal - Size: approx.160*30*25mm - Color: Black Package Included: 1 Piece LED Error Canceller.Pre-wired for direct plug and play, bypass wiring like regular load resistors. - For: H4 Headlight. - Load resistors will ensure the LED bulbs light up full power without malfunction issue. 1 Piece LED Error Canceller.