2005 Chevrolet (Chevy) Silverado 1500 HD SYSTEM WIRING DIAGRAMS

AIR CONDITIONING

Fig. 1: Automatic A/C Circuit, Front A/C (1 of 2)

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

Fig. 3: Compressor Circuit

Fig. 4: Manual A/C Circuit, Front A/C (1 of 2)

Fig. 5: Manual A/C Circuit, Front A/C (2 of 2)

ANTI-LOCK BRAKES

Fig. 6: Anti-lock Brakes Circuit, GVW 8600 Lbs or Less

Fig. 7: Anti-lock Brakes Circuit, GVW Over 8600 Lbs

ANTI-THEFT

Fig. 8: Forced Entry Circuit

Fig. 9: Passlock Circuit

BODY CONTROL MODULES

Fig. 10: Body Control Modules Circuit (1 of 2)

Fig. 11: Body Control Modules Circuit (2 of 2)

COMPUTER DATA LINES

Fig. 12: Computer Data Lines Circuit (1 of 2)

Fig. 13: Computer Data Lines Circuit (2 of 2)

DEFOGGERS

Fig. 14: Heated Mirrors Circuit

Fig. 15: Rear Defogger Circuit

ELECTRONIC POWER STEERING

Fig. 16: Rear Wheel Steering Circuit

ELECTRONIC SUSPENSION

Fig. 17: Electronic Suspension Circuit

ENGINE PERFORMANCE

6.0L VIN U

Fig. 18: 6.0L VIN U, Engine Performance Circuit, Except Hybrid (1 of 5)

Fig. 19: 6.0L VIN U, Engine Performance Circuit, Except Hybrid (2 of 5)

Fig. 20: 6.0L VIN U, Engine Performance Circuit, Except Hybrid (3 of 5)

Fig. 21: 6.0L VIN U, Engine Performance Circuit, Except Hybrid (4 of 5)

Fig. 22: 6.0L VIN U, Engine Performance Circuit, Except Hybrid (5 of 5)

EXTERIOR LIGHTS

Fig. 23: Back-up Lamps Circuit

Fig. 24: Exterior Lamps Circuit (1 of 3)

Fig. 25: Exterior Lamps Circuit (2 of 3)

Fig. 26: Exterior Lamps Circuit (3 of 3)

GROUND DISTRIBUTION

Fig. 27: Ground Distribution Circuit, Except Hybrid (1 of 4)

Fig. 28: Ground Distribution Circuit, Except Hybrid (2 of 4)

Fig. 29: Ground Distribution Circuit, Except Hybrid (3 of 4)

Fig. 30: Ground Distribution Circuit, Except Hybrid (4 of 4)

HEADLIGHTS

Fig. 31: Headlights Circuit

HORN

Fig. 32: Horn Circuit

INSTRUMENT CLUSTER

Fig. 33: Instrument Cluster Circuit (1 of 2)

Fig. 34: Instrument Cluster Circuit (2 of 2)

INTERIOR LIGHTS

Fig. 35: Courtesy Lamps Circuit (1 of 2)

Fig. 36: Courtesy Lamps Circuit (2 of 2)

Fig. 37: Instrument Illumination Circuit (1 of 3)

Fig. 38: Instrument Illumination Circuit (2 of 3)

Fig. 39: Instrument Illumination Circuit (3 of 3)

POWER DISTRIBUTION

6.0L VIN U

Fig. 40: 6.0L VIN U, Power Distribution Circuit, Except Hybrid (1 of 6)

Fig. 41: 6.0L VIN U, Power Distribution Circuit, Except Hybrid (2 of 6)

Fig. 42: 6.0L VIN U, Power Distribution Circuit, Except Hybrid (3 of 6)

Fig. 43: 6.0L VIN U, Power Distribution Circuit, Except Hybrid (4 of 6)

Fig. 44: 6.0L VIN U, Power Distribution Circuit, Except Hybrid (5 of 6)

Fig. 45: 6.0L VIN U, Power Distribution Circuit, Except Hybrid (6 of 6)

POWER DOOR LOCKS

Fig. 46: Power Door Locks Circuit, Base

Fig. 47: Power Door Locks Circuit, Up Level (1 of 2)

Fig. 48: Power Door Locks Circuit, Up Level (2 of 2)

POWER MIRRORS

Fig. 49: Electrochromic Mirror Circuit

Fig. 50: Power Mirrors Circuit

POWER SEATS

Fig. 51: Driver Seat Circuit

Fig. 52: Heated Seats Circuit

Fig. 53: Passenger Power Seat Circuit

Fig. 54: Passenger"s Lumbar Circuit

POWER WINDOWS

Fig. 55: Power Windows Circuit

RADIO

Fig. 56: Base Radio Circuit

Fig. 57: Mid-Line Radio Circuit, W/ Rear Seat Audio (1 of 4)

Fig. 58: Mid-Line Radio Circuit, W/ Rear Seat Audio (2 of 4)

Fig. 59: Mid-Line Radio Circuit, W/ Rear Seat Audio (3 of 4)

Fig. 60: Mid-Line Radio Circuit, W/ Rear Seat Audio (4 of 4)

Fig. 61: Mid-Line Radio Circuit, W/O Rear Seat Audio (1 of 4)

Fig. 62: Mid-Line Radio Circuit, W/O Rear Seat Audio (2 of 4)

Fig. 63: Mid-Line Radio Circuit, W/O Rear Seat Audio (3 of 4)

Fig. 64: Mid-Line Radio Circuit, W/O Rear Seat Audio (4 of 4)

Fig. 65: Premium Sound Radio Circuit, W/ CD, W/ Rear Entertainment, W/ Digital Receiver (1 of 3)

Fig. 66: Premium Sound Radio Circuit, W/ CD, W/ Rear Entertainment, W/ Digital Receiver (2 of 3)

Fig. 67: Premium Sound Radio Circuit, W/ CD, W/ Rear Entertainment, W/ Digital Receiver (3 of 3)

Fig. 68: Premium Sound Radio Circuit, W/ CD (1 of 2)

Fig. 69: Premium Sound Radio Circuit, W/ CD (2 of 2)

Fig. 70: Premium Sound Radio Circuit, W/ Digital Radio Receiver (1 of 2)

Fig. 71: Premium Sound Radio Circuit, W/ Digital Radio Receiver (2 of 2)

SHIFT INTERLOCK

Fig. 72: Shift Interlock Circuit

STARTING/CHARGING

Fig. 73: Charging Circuit, Except Hybrid

Fig. 74: Starting Circuit, Except Hybrid

SUPPLEMENTAL RESTRAINTS

Fig. 75: Supplemental Restraints Circuit (1 of 2)

Fig. 76: Supplemental Restraints Circuit (2 of 2)

TRANSMISSION

Fig. 77: Transfer Case Circuit, 2-Speed Automatic

Fig. 78: Transfer Case Circuit, 2-Speed Manual

Fig. 79: Transfer Case Circuit, Selectable

6.0L VIN U

Fig. 80: 6.0L VIN U, A/T Circuit

WARNING SYSTEMS

Fig. 81: Warning Systems Circuit (1 of 2)

Fig. 82: Warning Systems Circuit (2 of 2)

WIPER/WASHER

Fig. 83: Wiper/Washer Circuit