John Frusciante returned after 6 years to the Red Hot Chili Peppers on their 7th album, released in 1999 on Warner Bros. Records. Who did he replace on guitar?
Californication Tour: The Californication Tour was a worldwide concert tour by Red Hot Chili Peppers to support their seventh studio album "Californication" which saw the return of guitarist John Frusciante who rejoined the band in 1998 after quitting six years earlier. Californication (album):  "Californication" marked the return of John Frusciante, who had previously appeared on "Mother's Milk" and "Blood Sugar Sex Magik", to replace Dave Navarro as the band's guitarist.
Dave Navarro