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Home >> GMC >> 2004 >> Sierra 2500, 2D Pickup, LQ4/KL8, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.0L - Alternative Fuels (Introduction) >> Schematic and Routing Diagrams >> Engine Controls Schematics
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Engine Controls Schematics

Fig 1: Power, Ground and PWM Circuits Schematic
GM905637Courtesy of GENERAL MOTORS CORP.
Fig 2: AF Fuel Mode and Injector Power Relays Schematic - KL6
GM905638Courtesy of GENERAL MOTORS CORP.
Fig 3: AF Injector Power Relays Schematic - KL8
GM1361136Courtesy of GENERAL MOTORS CORP.
Fig 4: AF Fuel Injectors Schematic
GM905639Courtesy of GENERAL MOTORS CORP.
Fig 5: AF Odd Bank Injector Relays Schematic - KL6
GM905640Courtesy of GENERAL MOTORS CORP.
Fig 6: AF Even Bank Injector Relays Schematic - KL6
GM905641Courtesy of GENERAL MOTORS CORP.
Fig 7: AF Odd Bank Injector Signal Schematic - KL6
GM905642Courtesy of GENERAL MOTORS CORP.
Fig 8: AF Odd Bank Injector Signal Schematic - KL8
GM1368916Courtesy of GENERAL MOTORS CORP.
Fig 9: AF Even Bank Injector Signal Schematic - KL6
GM905643Courtesy of GENERAL MOTORS CORP.
Fig 10: AF Even Bank Injector Signal Schematic - KL8
GM1368928Courtesy of GENERAL MOTORS CORP.
Fig 11: Gasoline Fuel Injectors Schematic - KL6
GM905645Courtesy of GENERAL MOTORS CORP.
Fig 12: Fuel Rail Pressure Sensor and Fuel Gage Select Switch Schematic
GM905647Courtesy of GENERAL MOTORS CORP.
Fig 13: Fuel Rail Temperature Sensor and Sensors Schematic - Fuel Tank
GM905648Courtesy of GENERAL MOTORS CORP.
Fig 14: High and Low Pressure Lock-off Solenoids Schematic
GM905649Courtesy of GENERAL MOTORS CORP.