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Home >> Chevrolet >> 1981 >> Chevy Van G30, Automatic Trans, Trans Mfr CD 400/M40 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Tune-Up >> Distributors & Ignition Systems - DELCO-REMY High Energy Ignition >> Testing >> Electronic Spark Control Testing >> Notes
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Electronic Spark Control Testing: Notes

NOTE: Electronic Spark Control is used on some Chevrolet and GMC models using the 5.0L VIN H engine.
Fig 1: Wiring Diagram For HEI System with Electronic Spark Control
G09337380Courtesy of GENERAL MOTORS COMPANY
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