Wiring diagram for a o2 sensor for a 2004 silverado 4.8L?

For a 2004 Chevrolet Silverado with a 4.8L engine, the O2 sensor wiring typically includes a heater wire, a signal wire, and a ground wire. The upstream O2 sensor generally has a white wire (heater), a black wire (signal), and a gray wire (ground). The downstream sensor will have similar wiring, often identified by different colors. Always refer to a specific service manual or wiring diagram for accurate pin configurations and color codes for your vehicle.