I have the same issue but use a
ground loop isolator from Crutchfield it reduces pulse noise quite a bit but not completely. Note I only hear the pulsating noise if I'm using my front end and pause a song, if I use mute on the steering wheel control I don’t here the pulsing noise. I also don’t hear the pulsing noise while a song is playing only if I pause or stop it in my front-end (StreetDeck).
Indash sent you a chip to update the Car2PC-MAZ adapter? I hadn't heard of the sweet
