GM Service Manual Online
For 1990-2009 cars only

    Object Number: 10181  Size: SH
  1. Turn the adjusting screw in the following manner until a 4.5-5.5 amp current draw is reached. Do NOT turn the adjusting screw too far.
  2. • Clockwise in order to increase the current
    • Counterclockwise in order to decrease the current
  3. Turn the screw ¼ of a turn at one time. If the adjustment loosens the screw excessively, stake the screw with a punch.