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2003
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Sierra 1500 HD, 4WD
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Repair and Diagnosis
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Different variant/trim
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Section 12 (Engine Controls - Basic Diagnostic Procedures - 8.1L)
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Ignition Systems
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Electronic Ignition System
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Notes
Electronic Ignition System: Notes
WARNING:
This page is about a different variant/trim than selected.
Fig 1: Locating Camshaft Position Sensor
Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating Crankshaft Position Sensor
Courtesy of GENERAL MOTORS CORP.
Fig 3: Ignition Coils No. 1, 3, 5 & 7 Electrical Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 4: Ignition Coils No. 2, 4, 6 & 8 Electrical Schematic
Courtesy of GENERAL MOTORS CORP.
Fig 5: Camshaft Position, Crankshaft Position & Knock Sensors Electrical Schematic
Courtesy of GENERAL MOTORS CORP.