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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 13, Check Right Coil Circuit
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Test 13, Check Right Coil Circuit

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

If test light illuminates during both tests, one or both coil wires are shorted to VBAT. Repair connectors and harness, and check for fault codes. If test light does not illuminate during both tests, replace right coil pack, and check for fault codes. If vehicle still does not start, go to next test.