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1985
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Forward Control 5.7 M, Standard
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Repair and Diagnosis
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Engine Performance
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Ignition System
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Ignition System - HEI (Federal)
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Wiring Diagrams
Wiring Diagrams
Fig 1: Delco-Remy HEI System Schematic Module terminal letters may vary by model.
Fig 2: Electronic Spark Control (ESC) HEI System Schematic