electrical fault

Radio installation has provided harder than I anticipated. I used a multi meter to determine constant, earth and ignition wires. I used a 9V battery to check for the correct speaker wires. Instead of one the speakers popping I heard a popping sound from behind the instrument cluster! Now I have...

Hi, Ive got some electrical issues on my 2000 1.9 Z3. The console lights are out, I have changed the rheostat for one that I know works, and checked the fuses in the engine bay, but still nothing. All of the console lights are out, (Instrument cluster and center console) Also the drivers side...