2006 Chevrolet (Chevy) Silverado 3500 SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Fig. 1: Automatic A/C Circuit (1 of 3)

Fig. 2: Automatic A/C Circuit (2 of 3)

Fig. 3: Automatic A/C Circuit (3 of 3)

Fig. 4: Compressor Circuit

Fig. 5: Heater Circuit

Fig. 6: Manual A/C Circuit (1 of 3)

Fig. 7: Manual A/C Circuit (2 of 3)

Fig. 8: Manual A/C Circuit (3 of 3)

ANTI-LOCK BRAKES

Fig. 9: Anti-Lock Brake Circuit

Fig. 10: Hydraulic Brake Circuit

ANTI-THEFT

Fig. 11: Forced Entry Circuit

Fig. 12: Passlock Circuit

BODY CONTROL MODULES

Fig. 13: Body Control Modules Circuit (1 of 2)

Fig. 14: Body Control Modules Circuit (2 of 2)

COMPUTER DATA LINES

Fig. 15: Computer Data Lines Circuit (1 of 2)

Fig. 16: Computer Data Lines Circuit (2 of 2)

CRUISE CONTROL

6.0L VIN U

Fig. 17: 6.0L VIN U, Cruise Control Circuit

6.6L VIN 2

Fig. 18: 6.6L VIN 2, Cruise Control Circuit

6.6L VIN D

Fig. 19: 6.6L VIN D, Cruise Control Circuit

8.1L VIN G

Fig. 20: 8.1L VIN G, Cruise Control Circuit

DEFOGGERS

Fig. 21: Heated Mirrors Circuit

Fig. 22: Rear Defogger Circuit

ELECTRONIC SUSPENSION

Fig. 23: Electronic Suspension Circuit

ENGINE PERFORMANCE

6.0L VIN U

Fig. 24: 6.0L VIN U, Engine Performance Circuit (1 of 5)

Fig. 25: 6.0L VIN U, Engine Performance Circuit (2 of 5)

Fig. 26: 6.0L VIN U, Engine Performance Circuit (3 of 5)

Fig. 27: 6.0L VIN U, Engine Performance Circuit (4 of 5)

Fig. 28: 6.0L VIN U, Engine Performance Circuit (5 of 5)

6.6L VIN 2

Fig. 29: 6.6L VIN 2, Engine Performance Circuit (1 of 6)

Fig. 30: 6.6L VIN 2, Engine Performance Circuit (2 of 6)

Fig. 31: 6.6L VIN 2, Engine Performance Circuit (3 of 6)

Fig. 32: 6.6L VIN 2, Engine Performance Circuit (4 of 6)

Fig. 33: 6.6L VIN 2, Engine Performance Circuit (5 of 6)

Fig. 34: 6.6L VIN 2, Engine Performance Circuit (6 of 6)

6.6L VIN D

Fig. 35: 6.6L VIN D, Engine Performance Circuit (1 of 6)

Fig. 36: 6.6L VIN D, Engine Performance Circuit (2 of 6)

Fig. 37: 6.6L VIN D, Engine Performance Circuit (3 of 6)

Fig. 38: 6.6L VIN D, Engine Performance Circuit (4 of 6)

Fig. 39: 6.6L VIN D, Engine Performance Circuit (5 of 6)

Fig. 40: 6.6L VIN D, Engine Performance Circuit (6 of 6)

8.1L VIN G

Fig. 41: 8.1L VIN G, Engine Performance Circuit (1 of 5)

Fig. 42: 8.1L VIN G, Engine Performance Circuit (2 of 5)

Fig. 43: 8.1L VIN G, Engine Performance Circuit (3 of 5)

Fig. 44: 8.1L VIN G, Engine Performance Circuit (4 of 5)

Fig. 45: 8.1L VIN G, Engine Performance Circuit (5 of 5)

EXTERIOR LIGHTS

Fig. 46: Back-up Lamps Circuit, W/ Allison Automatic Transmission

Fig. 47: Back-up Lamps Circuit, W/O Allison Automatic Transmission

Fig. 48: Exterior Lamps Circuit (1 of 3)

Fig. 49: Exterior Lamps Circuit (2 of 3)

Fig. 50: Exterior Lamps Circuit (3 of 3)

GROUND DISTRIBUTION

Fig. 51: Ground Distribution Circuit (1 of 4)

Fig. 52: Ground Distribution Circuit (2 of 4)

Fig. 53: Ground Distribution Circuit (3 of 4)

Fig. 54: Ground Distribution Circuit (4 of 4)

HEADLIGHTS

Fig. 55: Headlights Circuit

HORN

Fig. 56: Horn Circuit

INSTRUMENT CLUSTER

Fig. 57: Instrument Cluster Circuit (1 of 2)

Fig. 58: Instrument Cluster Circuit (2 of 2)

INTERIOR LIGHTS

Fig. 59: Courtesy Lamps Circuit (1 of 2)

Fig. 60: Courtesy Lamps Circuit (2 of 2)

Fig. 61: Instrument Illumination Circuit (1 of 3)

Fig. 62: Instrument Illumination Circuit (2 of 3)

Fig. 63: Instrument Illumination Circuit (3 of 3)

MEMORY SYSTEMS

Fig. 64: Memory Mirrors Circuit

Fig. 65: Memory Seat Circuit (1 of 2)

Fig. 66: Memory Seat Circuit (2 of 2)

POWER DISTRIBUTION

6.0L VIN U

Fig. 67: 6.0L VIN U, Power Distribution Circuit (1 of 6)

Fig. 68: 6.0L VIN U, Power Distribution Circuit (2 of 6)

Fig. 69: 6.0L VIN U, Power Distribution Circuit (3 of 6)

Fig. 70: 6.0L VIN U, Power Distribution Circuit (4 of 6)

Fig. 71: 6.0L VIN U, Power Distribution Circuit (5 of 6)

Fig. 72: 6.0L VIN U, Power Distribution Circuit (6 of 6)

6.6L VIN 2

Fig. 73: 6.6L VIN 2, Power Distribution Circuit (1 of 5)

Fig. 74: 6.6L VIN 2, Power Distribution Circuit (2 of 5)

Fig. 75: 6.6L VIN 2, Power Distribution Circuit (3 of 5)

Fig. 76: 6.6L VIN 2, Power Distribution Circuit (4 of 5)

Fig. 77: 6.6L VIN 2, Power Distribution Circuit (5 of 5)

6.6L VIN D

Fig. 78: 6.6L VIN D, Power Distribution Circuit (1 of 5)

Fig. 79: 6.6L VIN D, Power Distribution Circuit (2 of 5)

Fig. 80: 6.6L VIN D, Power Distribution Circuit (3 of 5)

Fig. 81: 6.6L VIN D, Power Distribution Circuit (4 of 5)

Fig. 82: 6.6L VIN D, Power Distribution Circuit (5 of 5)

8.1L VIN G

Fig. 83: 8.1L VIN G, Power Distribution Circuit (1 of 6)

Fig. 84: 8.1L VIN G, Power Distribution Circuit (2 of 6)

Fig. 85: 8.1L VIN G, Power Distribution Circuit (3 of 6)

Fig. 86: 8.1L VIN G, Power Distribution Circuit (4 of 6)

Fig. 87: 8.1L VIN G, Power Distribution Circuit (5 of 6)

Fig. 88: 8.1L VIN G, Power Distribution Circuit (6 of 6)

POWER DOOR LOCKS

Fig. 89: Power Door Locks Circuit, Base

Fig. 90: Power Door Locks Circuit, Up Level (1 of 2)

Fig. 91: Power Door Locks Circuit, Up Level (2 of 2)

POWER MIRRORS

Fig. 92: Electrochromic Mirror Circuit

Fig. 93: Power Mirrors Circuit

POWER SEATS

Fig. 94: Driver Seat Circuit

Fig. 95: Heated Seats Circuit

Fig. 96: Passenger Power Seat Circuit

Fig. 97: Passenger"s Lumbar Circuit

POWER TOP/SUNROOF

Fig. 98: Power Top/Sunroof Circuit

POWER WINDOWS

Fig. 99: Power Windows Circuit

RADIO

Fig. 100: Base Radio Circuit

Fig. 101: Mid-Line Radio Circuit, W/ Rear Seat Audio (1 of 4)

Fig. 102: Mid-Line Radio Circuit, W/ Rear Seat Audio (2 of 4)

Fig. 103: Mid-Line Radio Circuit, W/ Rear Seat Audio (3 of 4)

Fig. 104: Mid-Line Radio Circuit, W/ Rear Seat Audio (4 of 4)

Fig. 105: Mid-Line Radio Circuit, W/O Rear Seat Audio (1 of 4)

Fig. 106: Mid-Line Radio Circuit, W/O Rear Seat Audio (2 of 4)

Fig. 107: Mid-Line Radio Circuit, W/O Rear Seat Audio (3 of 4)

Fig. 108: Mid-Line Radio Circuit, W/O Rear Seat Audio (4 of 4)

Fig. 109: Premium Sound Radio Circuit, W/ CD, W/ Rear Entertainment, W/ Digital Receiver (1 of

3)

Fig. 110: Premium Sound Radio Circuit, W/ CD, W/ Rear Entertainment, W/ Digital Receiver (2 of

3)

Fig. 111: Premium Sound Radio Circuit, W/ CD, W/ Rear Entertainment, W/ Digital Receiver (3 of

3)

Fig. 112: Premium Sound Radio Circuit, W/ CD (1 of 2)

Fig. 113: Premium Sound Radio Circuit, W/ CD (2 of 2)

Fig. 114: Premium Sound Radio Circuit, W/ Digital Radio Receiver (1 of 2)

Fig. 115: Premium Sound Radio Circuit, W/ Digital Radio Receiver (2 of 2)

SHIFT INTERLOCK

Fig. 116: Shift Interlock Circuit

STARTING/CHARGING

Fig. 117: Starting Circuit

6.0L VIN U

Fig. 118: 6.0L VIN U, Charging Circuit

6.6L VIN 2

Fig. 119: 6.6L VIN 2, Charging Circuit

6.6L VIN D

Fig. 120: 6.6L VIN D, Charging Circuit

8.1L VIN G

Fig. 121: 8.1L VIN G, Charging Circuit

SUPPLEMENTAL RESTRAINTS

Fig. 122: Supplemental Restraints Circuit (1 of 2)

Fig. 123: Supplemental Restraints Circuit (2 of 2)

TRANSMISSION

Fig. 124: Transfer Case Circuit, 2-Speed Automatic

Fig. 125: Transfer Case Circuit, 2-Speed Manual

Fig. 126: Transfer Case Circuit, Selectable

6.0L VIN U

Fig. 127: 6.0L VIN U, A/T Circuit

6.6L VIN 2

Fig. 128: 6.6L VIN 2, A/T Circuit (1 of 2)

Fig. 129: 6.6L VIN 2, A/T Circuit (2 of 2)

6.6L VIN D

Fig. 130: 6.6L VIN D, A/T Circuit (1 of 2)

Fig. 131: 6.6L VIN D, A/T Circuit (2 of 2)

8.1L VIN G

Fig. 132: 8.1L VIN G, A/T Circuit (1 of 2)

Fig. 133: 8.1L VIN G, A/T Circuit (2 of 2)

WARNING SYSTEMS

Fig. 134: Chime Circuit (1 of 2)

Fig. 135: Chime Circuit (2 of 2)

Fig. 136: Tire Pressure Monitoring Circuit

WIPER/WASHER

Fig. 137: Wiper/Washer Circuit