http://www.the12volt.com/

Free technical information for mobile electronics installers, enthusiasts and do-it-yourselfers

 

http://www.metraonline.com/

Vehicle fit guide

 

http://www.scosche.com/

Find specific vehicle installation parts

 

http://www.aius.net/

American International Car Stereo Installation Kits

 

http://www.installdr.com/QuickWiring.asp

Quick Radio Wiring and Wire Color Info

 

http://www.viper.com/Support/

Support Center for Viper Alarm