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Home >> Ford >> 1991 >> Explorer 4D Utility, RWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Dis System (2.3L Ranger) >> Test Equipment
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Test Equipment

Following test equipment is necessary to complete DIS ignition system tests.

CAUTION: A 12-volt incandescent (high voltage) test light SHOULD NOT be used to test CID or PIP circuit signals. It will load the circuit and may cause incorrect measurements or faulty DIS/ECA operations (engine stall).