Diode Test

Using ohmmeter, check continuity of each diode, in both directions. See STEP 3 in illustration. See Fig 1 or Fig 2 . Continuity should exist in only one direction. If continuity of any diode is not as specified, replace rectifier assembly.

Fig 1: Testing Rectifier (75-Amp Generator)

Courtesy of HYUNDAI MOTOR CO.

Fig 2: Testing Rectifier (90-Amp Generator)

Courtesy of HYUNDAI MOTOR CO.