Here's a handy FAQ that you should read: FAQ: Will <insert PSU model> Power Supply work with my system?
It adresses your specific question.
When you're done with that and have made your PSU decision, you might check out these, as well. There is no such thing as too much information.
Beginner FAQ: New to CarPCs? Don't know where to start?
FAQ Emporium (nothing but informational posts): http://www.mp3car.com/vbulletin/the-faq-emporium/