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C3500 HD 8.1 G, Automatic
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Engine Controls - 8.1L
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Schematic and Routing Diagrams
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Engine Controls Schematics
Engine Controls Schematics
Fig 1: Engine Controls Schematics (PCM Power, Grounding, DLC & MIL)
Courtesy of GENERAL MOTORS CORP.
Fig 2: Engine Controls Schematics (5 Volt & Low Reference Busses)
Courtesy of GENERAL MOTORS CORP.
Fig 3: Engine Controls Schematics (MAP, ECT, VSS Circuit & IAT/MAF)
Courtesy of GENERAL MOTORS CORP.
Fig 4: Engine Controls Schematics (HO2S Circuit)
Courtesy of GENERAL MOTORS CORP.
Fig 5: Engine Controls Schematics (TAC Power, Grounding, Data Circuits & Indicator Control)
Courtesy of GENERAL MOTORS CORP.
Fig 6: Engine Controls Schematics (Throttle Control Circuits)
Courtesy of GENERAL MOTORS CORP.
Fig 7: Engine Controls Schematics (Accelerator Pedal Position Sensor Circuits)
Courtesy of GENERAL MOTORS CORP.
Fig 8: Engine Controls Schematics (TAC Cruise Control Inputs)
Courtesy of GENERAL MOTORS CORP.
Fig 9: Engine Controls Schematics (PTO Control Provisions)
Courtesy of GENERAL MOTORS CORP.
Fig 10: Engine Controls Schematics (Ignition Control, Bank 1 (Left Side))
Courtesy of GENERAL MOTORS CORP.
Fig 11: Engine Controls Schematics (Ignition Control, Bank 2 (Right Side))
Courtesy of GENERAL MOTORS CORP.
Fig 12: Engine Controls Schematics (CMP, CKP & KS)
Courtesy of GENERAL MOTORS CORP.
Fig 13: Engine Controls Schematics (Fuel Pump Controls, Single Tank)
Courtesy of GENERAL MOTORS CORP.
Fig 14: Engine Controls Schematics (Fuel Pump Controls, Dual Tanks)
Courtesy of GENERAL MOTORS CORP.
Fig 15: Engine Controls Schematics (Fuel Injector Controls)
Courtesy of GENERAL MOTORS CORP.
Fig 16: Engine Controls Schematics (EVAP & EGR)
Courtesy of GENERAL MOTORS CORP.
Fig 17: Engine Controls Schematics (5 Volt & Low Reference Busses)
Courtesy of GENERAL MOTORS CORP.
Fig 18: Engine Controls Schematics (A/T TCC/Stop Lamp Switch, Shift Solenoids)
Courtesy of GENERAL MOTORS CORP.
Fig 19: Engine Controls Schematics (A/T Internal Switches, TFT, PC Solenoid Valve)
Courtesy of GENERAL MOTORS CORP.