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Home >> Ford >> 1991 >> Explorer 4D Utility, RWD, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Basic Testing >> DISTRIBUTORLESS Ignition System (Dis) 2.3L >> Test 7, Check Dis Module VBAT
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Test 7, Check Dis Module VBAT

Install diagnostic cable. Connect diagnostic cable to breakout box. Use 2.3L overlay. Connect LED test light between breakout box pins No. (-) J2 (IGND D) and (+) J5 (VBAT D). Turn key on. If test light is on, go to next test. If test light is not on, check connectors, repair or replace harness and check for fault codes. If vehicle still does not start, go to next test.