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Home >> Ford >> 1990 >> Bronco II 4WD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Dis Ignition System Check - No Start (2.3L) >> Test 27, Check Pip EEC Circuit For Short To VBAT
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Test 27, Check Pip EEC Circuit For Short To VBAT

With the key off, disconnect diagnostic cable connector from DIS module (Pins No. 1-6). See Figure . Connect LED test light between (+) J31 (PIP EEC) and (-) J60 (BAT-). Turn key on. Is test light illuminated? If no, go to TEST 28. If yes, PIP EEC is shorted to BAT. Check connectors, service or replace the harness. Check for fault codes. See TESTS W/CODES article.