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Home >> Mercury >> 1986 >> Sable LS, 4D Sedan >> Repair and Diagnosis >> Engine Performance >> Adjustment >> Tune-Up - 4-CYL >> Adjustments >> Ignition Timing >> Notes

Ignition Timing: Notes

NOTE: Timing instrument should be connected to number one spark plug wire using an adapter or snap-on connector. Do not puncture spark plug wire or boot to make connection.