I need to connect 3 power leads for a device: 1) To battery +12V constant 2) To accessory +12v (on when ignition on) 3) To Ground Knowing the wire colors is easy enough - but where is a good place to connect wires to the sources without having to install taps, and preferably NOT on the radio...

Yesterday, while driving home from work I noticed that I'm having some electrical issues with my 2006 Beetle TDI. My Turn signals, windshield wipers, and internal blower (fan) are not working. However, the radio, hazard lights, and internal dashboard lights do work. (haven't tried the mirrors...