C 3500 HD Truck 2WD V8-6.5L DSL Turbo VIN F (2001)
Convenience Center C1 (to Crossbody Harness)
C2 to Aux. Lighting Switch Harness (5G4, 5X7, or 5Y0)
Convenience Center C2 To Aux. Lighting Switch Harness (5G4, 5X7, Or 5Y0)
"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application ID".
See: Application and ID/RPO Codes
C3 to Aux. Lighting Switch Harness (5G4, 5X7, or 5Y0)