[Dmitry at Pelican Parts]

Hello and welcome to the forum! You'll find a lot of very helpful and knowledgeable members here. Please take advantage of our DIY tech article directory, link below. I'm also attaching a link to an older thread where your cruise control issue is discussed; hope this helps and best of luck!

https://www.pelicanparts.com/boxster/boxster_tech.htm

http://forums.pelicanparts.com/boxster-cayman-forum/555258-help-1999-boxster-cruise-control-not-working.html