WARNING: This page is about a different car, the 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 5.3L VIN T, Engine Performance Circuits, W/ Case Grounded
HO2S Sensors (1 of 5)
Fig 2: 5.3L VIN T, Engine Performance Circuits, W/ Case Grounded
HO2S Sensors (2 of 5)
Fig 3: 5.3L VIN T, Engine Performance Circuits, W/ Case Grounded
HO2S Sensors (3 of 5)
Fig 4: 5.3L VIN T, Engine Performance Circuits, W/ Case Grounded
HO2S Sensors (4 of 5)
Fig 5: 5.3L VIN T, Engine Performance Circuits, W/ Case Grounded
HO2S Sensors (5 of 5)