Where do you find a free wiring diagram for charging system for a 1990 Jaguar XJ6?

You can find a free wiring diagram for the charging system of a 1990 Jaguar XJ6 on automotive forums, such as Jaguar-specific communities or sites like Jag-Lovers. Additionally, websites like Wiring Diagrams or AutoZone may provide downloadable diagrams. You could also check online resources like Haynes Manuals or even YouTube for instructional videos that might include diagrams.