Chevrolet Silverado / GMC Sierra. Service manual — part 1819

Fig. 103: View Of Various Connectors & Clips
Courtesy of GENERAL MOTORS CORP.

9. For vehicles equipped with 4WD perform the following steps, for vehicles equipped with

2WD proceed to step 13.

10. Connect the engine wiring harness electrical connector (6) to the left front HO2S electrical

connector (7).

11. Install the CPA retainer.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

12. Install the HO2S electrical connector clip to the fuel line clip (2).

Fig. 104: View Of Various Connectors & Clips
Courtesy of GENERAL MOTORS CORP.

13. For vehicles equipped with 4WD perform the following steps, connect the engine wiring

harness electrical connector (7) to the left front HO2S electrical connector (8).

14. Install the left front CPA retainer.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 105: View Of Engine Wiring Harness Electrical Connector & HO2S Electrical
Connector
Courtesy of GENERAL MOTORS CORP.

15. Connect the engine wiring harness electrical connector (1) to the left rear HO2S electrical

connector (2).

16. Install the left rear HO2S electrical connector clip to the frame.

17. Install the CPA retainer.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 106: View Of Engine Harness Clip & Electrical Connectors
Courtesy of GENERAL MOTORS CORP.

18. Connect the engine wiring harness electrical connector (2) to the right rear HO2S electrical

connector (1).

19. Install the right rear CPA retainer.

20. Install the right rear HO2S electrical connector clip to the engine harness clip (3).

21. Connect the right front HO2S electrical connector (5) to the engine wiring harness electrical

connector (4).

22. Install the right front CPA retainer.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Exhaust - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado