Silverado 1500 2WD V6-4.3L (2007)
9. Remove the left rear CPA retainer.
10. Disconnect the engine wiring harness electrical connector (1) from the left rear HO2S electrical connector (2).
11. Remove the left rear HO2S electrical connector clip from the frame.
12. For vehicles equipped with 2 wheel drive (2WD) perform the following steps, for vehicles equipped with 4 wheel drive (4WD) proceed to step 15.
13. Remove the left front CPA retainer.
14. Disconnect the left front HO2S electrical connector (7) from the engine wiring harness electrical connector (6).
