hey guys i have a little issue with my car its a 88 civic sedan dx im putting in a new stereo and the factory one will not hold memory so i said it must be the stereo so ill change it and needless to say thats not the issue the new one will not turn on unless i have the 12volt constant and the 12volt ingnition together

 

Try the Audio/Security/Video section you'll have a better chance in getting an answer.