Operation CHARM
: Car repair manuals for everyone.
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Buick
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1986
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Somerset V6-181 3.0L
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Ignition System
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Knock Sensor
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Locations
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Electronic Spark Control Module
Electronic Spark Control Module
Center Front Of Dash On Relay Bracket