2014-2018* Mazda 3 & Mazda 6 w/BOSE Full System Breakdown/Analysis This is a Mazda 3 focused version of my Mazda 6 BOSE analysis guide.. as the signal on the red 1P wire is the exact inverse of the signal on the black 1O wire. The BOSE amp takes the difference of these signals to get the original signal with twice the voltage and any noise.. The amplifier takes the audio signal from the head unit and boosts it to power the speakers. Speaking of speakers, the Mazda 6 Bose sound system typically includes speakers in the front and rear doors, as well as a subwoofer to enhance the low frequencies. Now, let's dive into the Mazda 6 Bose wiring diagram itself.
Pinout of Mazda 6 (2014-2018) BOSE Amplifier Unitp/n GAN666920A . Pinouts / Devices / Connectors. car audio connector genuine pin assignment. > Mazda 6 pinouts. 16 pin GM 15491285, 7283-9076-30 (15136073) amplifier wiring harness connector. at the wiring harness (connector end view) Ask a question; Comment; Edit; Submit New; p/n GAN666920A.. Hello all proud owners of a Mazda 6 2014! If you are here reading this thread because you looked all over the internet's for a wiring diagram to add a amp to stock OEM head unit but could not find one, then you are in luck! After much searching myself and unable to turn up any concrete wiring diagrams, I had to just jump in there and figure it out.