Sierra 2500 4WD V8-8.1L VIN G (2006)
C153 4-Wheel Drive Harness To Engine Harness (With RPO Code NP1/NP2/NP8)
C154 I/P Harness To ATC Harness (With RPO Code NP1/NP8)
C153 4-Wheel Drive Harness To Engine Harness (With RPO Code NP1/NP2/NP8)
C154 I/P Harness To ATC Harness (With RPO Code NP1/NP8)