WARNING: This page is about a different car, the 2011 Suzuki Equator. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Audio Unit - Wiring Diagram [Base Audio] (1 Of 6)
Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: Audio Unit - Wiring Diagram [Base Audio] (2 Of 6)
Courtesy of SUZUKI OF AMERICA CORP.
Fig 3: Audio Unit - Wiring Diagram [Base Audio] (3 Of 6)
Courtesy of SUZUKI OF AMERICA CORP.
Fig 4: Audio Unit - Wiring Diagram [Base Audio] (4 Of 6)
Courtesy of SUZUKI OF AMERICA CORP.
Fig 5: Audio Unit - Wiring Diagram [Base Audio] (5 Of 6)
Courtesy of SUZUKI OF AMERICA CORP.
Fig 6: Audio Unit - Wiring Diagram [Base Audio] (6 Of 6)