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GMC
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1989
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Magnavan 7.4 N, 400/M40
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Repair and Diagnosis
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Engine Performance
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Ignition System - HEI/Est/ESC
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Description
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Remote Ignition Coil
Remote Ignition Coil
Fig 1: HEI/EST Distributor (With External Coil)
Courtesy of GENERAL MOTORS CORP.
Courtesy of GENERAL MOTORS CORP.