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Home >> Jeep >> 1990 >> Wrangler S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Engine Fails To Start >> No Spark At Plugs
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No Spark At Plugs

Check for open, loose, or corroded ground wires in distributor, and check primary wiring circuits. See BASIC TESTING article. Check for defective ignition module, cracked distributor cap, defective rotor. See BASIC TESTING article.