What is the wiring diagram for a factory radio in a 2003 Nissan Xterra?

The wiring diagram for a factory radio in a 2003 Nissan Xterra typically includes the following color codes: the constant power is usually a yellow wire, the ignition power is often a red wire, the ground is typically black, and the speakers have various colors depending on their positions (e.g., front left - gray, front right - white, rear left - green, rear right - purple). For precise connections, it’s advisable to consult a detailed wiring diagram or repair manual specific to the vehicle. Additionally, using a multimeter can help verify connections before installation.