so i have been having problems with my car dying in gear so last night i was working on it after starting a it few times after it dying...my car compeletly died when i turn the key i get nothing, no sounds, no lights, no warning lights but i have 12v at the battery any ideas? im lost..and the fuses are good too..

Thanks

 

A bad connection somewhere. Make sure all of your connections are tight. Not just the battery, check all of them.

 

Check all your grounds. Bull them off, sand them down and then reattach them.