- http://www.matthewsvolvosite.com/2009/03/20/volvo-air-conditioning-problems-and-fixes/
- http://www.matthewsvolvosite.com/2009/05/05/preserve-your-850s70v70xc70s-air-conditioning/
- http://www.techchoiceparts.com/showitem.aspx?id=100919
- http://diagramwiring.net/?s=2001
- http://wiki.answers.com/Q/FAQ/587-9
- http://reparalotu.com/volvo-wiring-diagrams-repair-manual-workshop-p-162.html