What are the wires on your 04 Mazda 6 headlight harness for?

In a 2004 Mazda 6 headlight harness, the wires typically include a power wire for the low beam, a power wire for the high beam, ground wires, and additional wires for functions like daytime running lights or turn signals, depending on the specific configuration. The color coding of the wires can vary, but common colors include white or yellow for low beams, blue or green for high beams, and black for ground. It’s essential to refer to a wiring diagram for precise identification and connections.