Operation CHARM
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Buick
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1996
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Roadmaster Estate Wagon V8-350 5.7L VIN P SFI
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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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Engine Control Module
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Connector Views
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C4 (Blue)
C4 (Blue)
PCM
32 PIN CONNECTOR
CONNECTOR C4 (BLUE) PINS 1 - 20
Diagnostic Chart:
CONNECTOR C4 (BLUE) PINS 21 - 32
Diagnostic Chart:
