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Home >> Ford >> 1990 >> Bronco II RWD, Standard, FM132 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Dis Ignition System Check - No Start (2.3L) >> Test 20, Check Crankshaft Sensor VBAT
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Test 20, Check Crankshaft Sensor VBAT

With key on, connect LED test lamp between (+) J56 (VBAT S) and (-) J (IGND D). Is LED test light illuminated. If yes, go to TEST 21. If no, check connectors. Service or replace harness. Check for fault codes. See TESTS W/CODES article.