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Home >> Lincoln >> 1971 >> Continental Automatic Trans >> Repair and Diagnosis >> Electrical >> Charging Systems >> Alternators - LEECE-NEVILLE 6000 & 6200 (40 & 53 Amp.) Series >> Testing (On Bench) >> Diode Test >> Test 2

Test 2

With a No. 57 bulb and a 12-volt battery, make tests exactly as indicated in Test I. If bulb lights in one direction only, diode is good. If bulb lights in both directions diode is shorted. If bulb does not light in either direction, diode is open.