The switch is a sealed unit, you will not be able to pull it apart and do a repair, if faulty replace it.
mark (mhpautos)
Jul 31, 2010 at 12:19 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.