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GMC Truck
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1988
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Suburban 1/2 Ton 2WD V8-454 7.4L
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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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Vehicle Speed Sensor Signal Buffer
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Locations
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Without Computer Command Control Fuel Injection
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VSS Input Buffer
VSS Input Buffer
Fig. 2 Instrument Cluster Assembly:
The Vehicle Speed Sensor Input Buffer is located in the Instrument Cluster on the Circuit Board.