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Home >> Jeep >> 1984 >> Cherokee Base, 2D Utility, 2.5 U, AX4 >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Ignition System - HEI >> Testing >> Electronic Spark Control (ESC) Testing >> Notes

Electronic Spark Control (ESC) Testing: Notes

NOTE: Electronic Spark Control (ESC) is used on some Chevrolet and GMC models using the 5.0L 4-Bbl. (VIN LE9) engine.
Fig 1: Wiring Diagram for HEI System w/ Elect Spark Control (ESC)
G9014