2007 Chevrolet (Chevy) Silverado 2500 HD 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: Manual A/C Circuit (1 of 3)

Fig. 6: Manual A/C Circuit (2 of 3)

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

ANTI-LOCK BRAKES

Fig. 8: Anti-Lock Brake Circuit, W/ JL4 (1 of 2)

Fig. 9: Anti-Lock Brake Circuit, W/ JL4 (2 of 2)

Fig. 10: Anti-Lock Brake Circuit, W/O JL4

Fig. 11: Trailer ABS Circuit

ANTI-THEFT

Fig. 12: Anti-theft Circuit

BODY CONTROL MODULES

Fig. 13: Body Control Modules Circuit (1 of 3)

Fig. 14: Body Control Modules Circuit (2 of 3)

Fig. 15: Body Control Modules Circuit (3 of 3)

COMPUTER DATA LINES

Fig. 16: Computer Data Lines Circuit (1 of 2)

Fig. 17: Computer Data Lines Circuit (2 of 2)

COOLING FAN

Fig. 18: Cooling Fan Circuit

CRUISE CONTROL

6.0L VIN K

Fig. 19: 6.0L VIN K, Cruise Control Circuit

6.6L VIN 6

Fig. 20: 6.6L VIN 6, Cruise Control Circuit

DEFOGGERS

Fig. 21: Heated Mirrors Circuit, W/ AN3/DL3 Option

Fig. 22: Heated Mirrors Circuit, W/O AN3/DL3 Option

Fig. 23: Rear Defogger Circuit

ENGINE PERFORMANCE

6.0L VIN K

Fig. 24: 6.0L VIN K, Engine Performance Circuit (1 of 4)

Fig. 25: 6.0L VIN K, Engine Performance Circuit (2 of 4)

Fig. 26: 6.0L VIN K, Engine Performance Circuit (3 of 4)

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

6.6L VIN 6

Fig. 28: 6.6L VIN 6, Engine Performance Circuit (1 of 5)

Fig. 29: 6.6L VIN 6, Engine Performance Circuit (2 of 5)

Fig. 30: 6.6L VIN 6, Engine Performance Circuit (3 of 5)

Fig. 31: 6.6L VIN 6, Engine Performance Circuit (4 of 5)

Fig. 32: 6.6L VIN 6, Engine Performance Circuit (5 of 5)

EXTERIOR LIGHTS

Fig. 33: Back-up Lamps Circuit

Fig. 34: Exterior Lamps Circuit (1 of 3)

Fig. 35: Exterior Lamps Circuit (2 of 3)

Fig. 36: Exterior Lamps Circuit (3 of 3)

GROUND DISTRIBUTION

Fig. 37: Ground Distribution Circuit (1 of 6)

Fig. 38: Ground Distribution Circuit (2 of 6)

Fig. 39: Ground Distribution Circuit (3 of 6)

Fig. 40: Ground Distribution Circuit (4 of 6)

Fig. 41: Ground Distribution Circuit (5 of 6)

Fig. 42: Ground Distribution Circuit (6 of 6)

HEADLIGHTS

Fig. 43: Headlights Circuit

HORN

Fig. 44: Horn Circuit

INSTRUMENT CLUSTER

Fig. 45: Instrument Cluster Circuit (1 of 2)

Fig. 46: Instrument Cluster Circuit (2 of 2)

INTERIOR LIGHTS

Fig. 47: Courtesy Lamps Circuit

Fig. 48: Instrument Illumination Circuit (1 of 2)

Fig. 49: Instrument Illumination Circuit (2 of 2)

MEMORY SYSTEMS

Fig. 50: Adjustable Pedal Circuit

Fig. 51: Driver"s Memory Seat Circuit (1 of 2)

Fig. 52: Driver"s Memory Seat Circuit (2 of 2)

NAVIGATION

Fig. 53: Navigation Circuit, W/ Y91 & W/ UQA (1 of 3)

Fig. 54: Navigation Circuit, W/ Y91 & W/ UQA (2 of 3)

Fig. 55: Navigation Circuit, W/ Y91 & W/ UQA (3 of 3)

Fig. 56: Navigation Circuit, W/ Y91 & W/O UQA (1 of 3)

Fig. 57: Navigation Circuit, W/ Y91 & W/O UQA (2 of 3)

Fig. 58: Navigation Circuit, W/ Y91 & W/O UQA (3 of 3)

Fig. 59: Navigation Circuit, W/O Y91 & W/ UQA (1 of 3)

Fig. 60: Navigation Circuit, W/O Y91 & W/ UQA (2 of 3)

Fig. 61: Navigation Circuit, W/O Y91 & W/ UQA (3 of 3)

Fig. 62: Navigation Circuit, W/O Y91 & W/O UQA (1 of 3)

Fig. 63: Navigation Circuit, W/O Y91 & W/O UQA (2 of 3)

Fig. 64: Navigation Circuit, W/O Y91 & W/O UQA (3 of 3)

Fig. 65: Parking Assistant Circuit

POWER DISTRIBUTION

6.0L VIN K

Fig. 66: 6.0L VIN K, Power Distribution Circuit (1 of 5)

Fig. 67: 6.0L VIN K, Power Distribution Circuit (2 of 5)

Fig. 68: 6.0L VIN K, Power Distribution Circuit (3 of 5)

Fig. 69: 6.0L VIN K, Power Distribution Circuit (4 of 5)

Fig. 70: 6.0L VIN K, Power Distribution Circuit (5 of 5)

6.6L VIN 6

Fig. 71: 6.6L VIN 6, Power Distribution Circuit (1 of 5)

Fig. 72: 6.6L VIN 6, Power Distribution Circuit (2 of 5)

Fig. 73: 6.6L VIN 6, Power Distribution Circuit (3 of 5)

Fig. 74: 6.6L VIN 6, Power Distribution Circuit (4 of 5)

Fig. 75: 6.6L VIN 6, Power Distribution Circuit (5 of 5)

POWER DOOR LOCKS

Fig. 76: Power Door Locks Circuit, Base Package

Fig. 77: Power Door Locks Circuit, Premium Package

POWER MIRRORS

Fig. 78: Electrochromic Mirror Circuit

Fig. 79: Power Mirrors Circuit, Manual Foldiing Mirror

Fig. 80: Power Mirrors Circuit, Manual Folding Mirror

Fig. 81: Power Mirrors Circuit, Power Foldiing Mirror (1 of 2)

Fig. 82: Power Mirrors Circuit, Power Foldiing Mirror (2 of 2)

Fig. 83: Power Mirrors Circuit, Power Folding Mirror (1 of 2)

Fig. 84: Power Mirrors Circuit, Power Folding Mirror (2 of 2)

POWER SEATS

Fig. 85: Adjustable Pedal Circuit

Fig. 86: Driver Power Seat Circuit

Fig. 87: Heated Seats Circuit (1 of 2)

Fig. 88: Heated Seats Circuit (2 of 2)

Fig. 89: Heated Steering Wheel Circuit

Fig. 90: Passenger Power Seat Circuit, 6-Way Power Seat

Fig. 91: Passenger Power Seat Circuit, 8-Way Power Seat

POWER TOP/SUNROOF

Fig. 92: Power Top/Sunroof Circuit

POWER WINDOWS

Fig. 93: Power Windows Circuit, W/ AN3/DL3 Option

Fig. 94: Power Windows Circuit, W/O AN3/DL3 Option

Fig. 95: Sliding Rear Window Circuit

RADIO

Fig. 96: Radio Circuit, W/ Y91 & W/ UQA (1 of 3)

Fig. 97: Radio Circuit, W/ Y91 & W/ UQA (2 of 3)

Fig. 98: Radio Circuit, W/ Y91 & W/ UQA (3 of 3)

Fig. 99: Radio Circuit, W/ Y91 & W/O UQA (1 of 3)

Fig. 100: Radio Circuit, W/ Y91 & W/O UQA (2 of 3)

Fig. 101: Radio Circuit, W/ Y91 & W/O UQA (3 of 3)

Fig. 102: Radio Circuit, W/O Y91 & W/ UQA (1 of 3)

Fig. 103: Radio Circuit, W/O Y91 & W/ UQA (2 of 3)

Fig. 104: Radio Circuit, W/O Y91 & W/ UQA (3 of 3)

Fig. 105: Radio Circuit, W/O Y91 & W/O UQA (1 of 3)

Fig. 106: Radio Circuit, W/O Y91 & W/O UQA (2 of 3)

Fig. 107: Radio Circuit, W/O Y91 & W/O UQA (3 of 3)

SHIFT INTERLOCK

Fig. 108: Shift Interlock Circuit

STARTING/CHARGING

Fig. 109: Charging Circuit, Diesel

Fig. 110: Charging Circuit, Gasoline

Fig. 111: Starting Circuit

SUPPLEMENTAL RESTRAINTS

Fig. 112: Supplemental Restraints Circuit (1 of 2)

Fig. 113: Supplemental Restraints Circuit (2 of 2)

TRANSMISSION

6.0L VIN K

Fig. 114: 6.0L VIN K, A/T Circuit (1 of 2)

Fig. 115: 6.0L VIN K, A/T Circuit (2 of 2)

Fig. 116: 6.0L VIN K, Transfer Case Circuit, 2-Speed Automatic

Fig. 117: 6.0L VIN K, Transfer Case Circuit, 2-Speed Manual

Fig. 118: 6.0L VIN K, Transfer Case Circuit, Selectable

6.6L VIN 6

Fig. 119: 6.6L VIN 6, A/T Circuit (1 of 2)

Fig. 120: 6.6L VIN 6, A/T Circuit (2 of 2)

Fig. 121: 6.6L VIN 6, Transfer Case Circuit, 2-Speed Automatic

Fig. 122: 6.6L VIN 6, Transfer Case Circuit, 2-Speed Manual

Fig. 123: 6.6L VIN 6, Transfer Case Circuit, Selectable

WARNING SYSTEMS

Fig. 124: Chime Circuit, W/ AN3/DL3 Option (1 of 2)

Fig. 125: Chime Circuit, W/ AN3/DL3 Option (2 of 2)

Fig. 126: Chime Circuit, W/O AN3/DL3 Option (1 of 2)

Fig. 127: Chime Circuit, W/O AN3/DL3 Option (2 of 2)

Fig. 128: Tire Pressure Monitoring Circuit

WIPER/WASHER

Fig. 129: Moisture Sensor Circuit

Fig. 130: Windshield Washer Solvent Heater Circuit

Fig. 131: Wiper/Washer Circuit