All Wiring Diagrams for GMC Cab & Chassis Sierra 2006 3500

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for GMC Cab & Chassis Sierra 2006 3500

Automatic A/C Wiring Diagram (2 of 3) for GMC Cab & Chassis Sierra 2006 3500

Automatic A/C Wiring Diagram (3 of 3) for GMC Cab & Chassis Sierra 2006 3500

Compressor Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Heater Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Manual A/C Wiring Diagram (1 of 3) for GMC Cab & Chassis Sierra 2006 3500

Manual A/C Wiring Diagram (2 of 3) for GMC Cab & Chassis Sierra 2006 3500

Manual A/C Wiring Diagram (3 of 3) for GMC Cab & Chassis Sierra 2006 3500

ANTI-LOCK BRAKES

Anti-Lock Brake Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Hydraulic Brake Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

ANTI-THEFT

Forced Entry Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Passlock Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

BODY CONTROL MODULES

Body Control Modules Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Body Control Modules Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Computer Data Lines Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

CRUISE CONTROL

6.0L VIN U

6.0L VIN U, Cruise Control Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2

6.6L VIN 2, Cruise Control Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D

6.6L VIN D, Cruise Control Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G

8.1L VIN G, Cruise Control Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

DEFOGGERS

Heated Mirrors Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Rear Defogger Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

ELECTRONIC SUSPENSION

Electronic Suspension Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

ENGINE PERFORMANCE

6.0L VIN U

6.0L VIN U, Engine Performance Wiring Diagram (1 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Engine Performance Wiring Diagram (2 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Engine Performance Wiring Diagram (3 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Engine Performance Wiring Diagram (4 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Engine Performance Wiring Diagram (5 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2

6.6L VIN 2, Engine Performance Wiring Diagram (1 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Engine Performance Wiring Diagram (2 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Engine Performance Wiring Diagram (3 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Engine Performance Wiring Diagram (4 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Engine Performance Wiring Diagram (5 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Engine Performance Wiring Diagram (6 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D

6.6L VIN D, Engine Performance Wiring Diagram (1 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Engine Performance Wiring Diagram (2 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Engine Performance Wiring Diagram (3 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Engine Performance Wiring Diagram (4 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Engine Performance Wiring Diagram (5 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Engine Performance Wiring Diagram (6 of 6) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G

8.1L VIN G, Engine Performance Wiring Diagram (1 of 5) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Engine Performance Wiring Diagram (2 of 5) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Engine Performance Wiring Diagram (3 of 5) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Engine Performance Wiring Diagram (4 of 5) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Engine Performance Wiring Diagram (5 of 5) for GMC Cab & Chassis Sierra 2006 3500

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram, with Allison Automatic Transmission for GMC Cab & Chassis Sierra 2006 3500

Back-up Lamps Wiring Diagram, without Allison Automatic Transmission for GMC Cab & Chassis Sierra 2006 3500

Exterior Lamps Wiring Diagram (1 of 3) for GMC Cab & Chassis Sierra 2006 3500

Exterior Lamps Wiring Diagram (2 of 3) for GMC Cab & Chassis Sierra 2006 3500

Exterior Lamps Wiring Diagram (3 of 3) for GMC Cab & Chassis Sierra 2006 3500

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for GMC Cab & Chassis Sierra 2006 3500

Ground Distribution Wiring Diagram (2 of 4) for GMC Cab & Chassis Sierra 2006 3500

Ground Distribution Wiring Diagram (3 of 4) for GMC Cab & Chassis Sierra 2006 3500

Ground Distribution Wiring Diagram (4 of 4) for GMC Cab & Chassis Sierra 2006 3500

HEADLIGHTS

Headlights Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

HORN

Horn Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Instrument Cluster Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Courtesy Lamps Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

Instrument Illumination Wiring Diagram (1 of 3) for GMC Cab & Chassis Sierra 2006 3500

Instrument Illumination Wiring Diagram (2 of 3) for GMC Cab & Chassis Sierra 2006 3500

Instrument Illumination Wiring Diagram (3 of 3) for GMC Cab & Chassis Sierra 2006 3500

MEMORY SYSTEMS

Memory Mirrors Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Memory Seat Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Memory Seat Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

POWER DISTRIBUTION

6.0L VIN U

6.0L VIN U, Power Distribution Wiring Diagram (1 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Power Distribution Wiring Diagram (2 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Power Distribution Wiring Diagram (3 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Power Distribution Wiring Diagram (4 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Power Distribution Wiring Diagram (5 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U, Power Distribution Wiring Diagram (6 of 6) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2

6.6L VIN 2, Power Distribution Wiring Diagram (1 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Power Distribution Wiring Diagram (2 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Power Distribution Wiring Diagram (3 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Power Distribution Wiring Diagram (4 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, Power Distribution Wiring Diagram (5 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D

6.6L VIN D, Power Distribution Wiring Diagram (1 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Power Distribution Wiring Diagram (2 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Power Distribution Wiring Diagram (3 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Power Distribution Wiring Diagram (4 of 5) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, Power Distribution Wiring Diagram (5 of 5) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G

8.1L VIN G, Power Distribution Wiring Diagram (1 of 6) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Power Distribution Wiring Diagram (2 of 6) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Power Distribution Wiring Diagram (3 of 6) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Power Distribution Wiring Diagram (4 of 6) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Power Distribution Wiring Diagram (5 of 6) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, Power Distribution Wiring Diagram (6 of 6) for GMC Cab & Chassis Sierra 2006 3500

POWER DOOR LOCKS

Power Door Locks Wiring Diagram, Base for GMC Cab & Chassis Sierra 2006 3500

Power Door Locks Wiring Diagram, Up Level (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Power Door Locks Wiring Diagram, Up Level (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

POWER MIRRORS

Electrochromic Mirror Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Power Mirrors Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

POWER SEATS

Driver Seat Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Heated Seats Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Passenger Power Seat Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Passenger"s Lumbar Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

POWER WINDOWS

Power Windows Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

RADIO

Base Radio Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (1 of 4) for GMC Cab & Chassis Sierra 2006 3500

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (2 of 4) for GMC Cab & Chassis Sierra 2006 3500

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (3 of 4) for GMC Cab & Chassis Sierra 2006 3500

Mid-Line Radio Wiring Diagram, with Rear Seat Audio (4 of 4) for GMC Cab & Chassis Sierra 2006 3500

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (1 of 4) for GMC Cab & Chassis Sierra 2006 3500

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (2 of 4) for GMC Cab & Chassis Sierra 2006 3500

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (3 of 4) for GMC Cab & Chassis Sierra 2006 3500

Mid-Line Radio Wiring Diagram, without Rear Seat Audio (4 of 4) for GMC Cab & Chassis Sierra 2006 3500

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (1 of 3) for GMC Cab & Chassis Sierra 2006 3500

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (2 of 3) for GMC Cab & Chassis Sierra 2006 3500

Premium Sound Radio Wiring Diagram, with CD, with Rear Entertainment, with Digital Receiver (3 of 3) for GMC Cab & Chassis Sierra 2006 3500

Premium Sound Radio Wiring Diagram, with CD (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Premium Sound Radio Wiring Diagram, with CD (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Premium Sound Radio Wiring Diagram, with Digital Radio Receiver (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

STARTING/CHARGING

Starting Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U

6.0L VIN U, Charging Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2

6.6L VIN 2, Charging Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D

6.6L VIN D, Charging Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G

8.1L VIN G, Charging Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Supplemental Restraints Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

TRANSMISSION

Transfer Case Wiring Diagram, 2-Speed Automatic for GMC Cab & Chassis Sierra 2006 3500

Transfer Case Wiring Diagram, 2-Speed Manual for GMC Cab & Chassis Sierra 2006 3500

Transfer Case Wiring Diagram, Selectable for GMC Cab & Chassis Sierra 2006 3500

6.0L VIN U

6.0L VIN U, A/T Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2

6.6L VIN 2, A/T Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN 2, A/T Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D

6.6L VIN D, A/T Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

6.6L VIN D, A/T Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G

8.1L VIN G, A/T Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

8.1L VIN G, A/T Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

WARNING SYSTEMS

Chime Wiring Diagram (1 of 2) for GMC Cab & Chassis Sierra 2006 3500

Chime Wiring Diagram (2 of 2) for GMC Cab & Chassis Sierra 2006 3500

Tire Pressure Monitoring Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500

WIPER/WASHER

Wiper/Washer Wiring Diagram for GMC Cab & Chassis Sierra 2006 3500