Installed my big Christmas gift yesterday, the Pioneer AVH-X5800bhs. I had to wait a couple days to start because I didn't realize I needed the Mito-01 as well, luckily research turned that fact up before I tried anything. The installation went eerily smooth considering this is my first time trying car audio stuff. I soldered and shrink wrapped the harness according to the instructions on the Mito-01 and it worked on the first try. I haven't completely buttoned everything up, still need to wrap/clean up the harness and install the microphone and parking brake bypass but it is already a huge improvement. Added bonus the RF speakers sound a lot better, I am going to replace them eventually but I am not complaining presently.