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Chevy Truck
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2000
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Express 1 Ton Van V8-5.7L VIN R
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Repair and Diagnosis
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Restraints and Safety Systems
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Air Bag Systems
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Testing and Inspection
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Scan Tool Testing and Procedures
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Scan Tool Data Definitions
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Ignition
Ignition
The scan tool displays
0-25.5 volts.
The ignition represents the system voltage which is measured by the SDM at the SDM ignition feed.