Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Radio/Navigation System Schematics



Radio/Navigation System Schematics

Power, Ground, and References






Radio to Speakers - UW6






Audio Signal Communications - UQ3






Audio Amplifier to Speakers - UQ3, Sedan






Amplifier to Speakers - UQ3, Coupe






Radio to Speakers - 9C1, 9C3, w/o WX7






Radio to Speakers - 9C1, 9C3, and WX7






Satellite Radio - U2K






Locations: The locations for the Connectors, Grounds, Splices, and Grommets shown within these diagrams can be found via their numbers at Vehicle Locations. Locations