AdSense for search (AFS)
Link existing CSEs to AdSense
To connect your Custom Search Engine account with Google AdSense, visit the Make money tab in your search engine's control panel.
Fill in the form with the email address that you use with your AdSense account, your zip code, and the last 5 digits of your phone number. We'll use this information to connect your Custom Search Engine account to your AdSense account and you can start making money immediately.