Operation CHARM
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Buick
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1998
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Riviera V6-3.8L SC VIN 1
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Specifications
Engine Control Module: Specifications
Operating Voltage Range
9 to 16 Volts Direct Current (VDC)