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Ic Regulator Assembly

Check for continuity across "B" and "F" in the X 100W range of multimeter. See Fig 1 . Change polarity, and ensure that there is continuity in one direction, and not in the reverse direction. In case of continuity in both directions, replace the IC regulator assembly.

Fig 1: Testing IC Voltage Regulator
G98C04018Courtesy of ISUZU MOTOR CO.