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Cadillac
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1993
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Seville V8-300 4.9L
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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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Sensors and Switches - Computers and Control Systems
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Engine Speed Sensor
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Locations
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Component Locations
Component Locations
The engine speed signal comes from a seven terminal High Energy Ignition (HEI) module in the distributor.