Good day folks,
I would like to upgrade the audio in my 2018 Mazda 3 and I am kinda lost with respect to the wiring. I have searched on YouTube for vids but that proved to be futile. The easiest thing thus far is changing the speakers. I would like to do a really clean install with the wiring. One solid wire coming from the battery under the hood to another battery and distribution block in the trunk to power two amplifiers and later on a DSP.
Can someone, anyone shed some light or recommend a technician I can check.