Unplug the wire and with a suitable socket or spanner it will unscrew, it is a conventional thread.
mark (mhpautos)
Sep 6, 2010 at 6:26 AM
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.