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Home >> Ford >> 1991 >> Explorer 4D Utility, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> DISTRIBUTORLESS Ignition System (Dis) 2.3L >> Test 17, Check Right Coil Circuit
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Test 17, Check Right Coil Circuit

Connect LED test light between breakout box pins No. (+) J23 (RC1C) and (-) J60 (BAT -). Connect test light between breakout box pins No. (+) J24 (RC2C) and (-) J60 (BAT -).

If test light illuminates in both tests, go to next test. If test light does not illuminate in both tests, one or both coil wires is shorted to ground or coil pack may be damaged. Check connectors, and repair or replace harness. Check for fault codes. If vehicle still does not start, go to next test.