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GMC Truck
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1999
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K Yukon/Denali 4WD V8-6.5L DSL Turbo VIN S
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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Ignition Volts
Ignition Volts
Range 0-25.5 volts:
This represents the system voltage measured by the
PCM
at its ignition feed circuit. Ignition voltage is only present when the vehicle is running.