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Home >> Cadillac >> 1983 >> Cimarron Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System - 4-CYL >> Testing >> Ignition System Check >> Notes

Ignition System Check: Notes

NOTE: Before making the following tests, obtain a spark tester. If tachometer is connected to ignition coil "TACH" terminal, disconnect it before performing tests. Use a digital voltmeter with 10 megohms impedance or larger.
CAUTION: When removing a spark plug wire from a spark plug, twist boot on spark plug and pull on boot NOT on wire to remove.