So I have worked for about 6 months to get the white noise/engine noise out of my 2015 SAN 230....and I am proud to say I think we are THERE! Will this work for everyone and every boat (aka a G) I have no idea, but it works for me. Here is my process with photos.
1) I have shared with several people a factory fix that was released in 2015....that didnt work!
2) rewired ALL amps to battery bank 2, still had no luck (done at local stereo shop, changed amps and added a 10" sub under passenger) see wiring photo 1.....BUT head unit still wired to ground bar and overall boat +/- on same battery post....but STILL noise was present
3) after stereo update/upgrade/install I changed overall wiring to battery bank 2.... (see photo 2) grounded head unit to same post as amp grounds. REMOVED boat +/- from screw post and purchased $10 boat add post to wire directly to secondary post.....and tested all today....BOOM no noise!!!
No idea how this will work for others, but seems to be working for me. SUCKS to spend more $ after buying a boat, but well worth it in the end. Sadly, seems like me and others can not get a fix from dealers, so this is a secondary non-dealer route.
Let me know thoughts? I am sire there are other ways but this seemed to help. Also MLA mentioned not forgetting headunit positive, BUT if i wired that directly to battery i would manually have to switch radio on/off independent of boat which I was not interested in (see polk wiring diagram)
Sent from my SM-G935V using PLT Nautique mobile app
1) I have shared with several people a factory fix that was released in 2015....that didnt work!
2) rewired ALL amps to battery bank 2, still had no luck (done at local stereo shop, changed amps and added a 10" sub under passenger) see wiring photo 1.....BUT head unit still wired to ground bar and overall boat +/- on same battery post....but STILL noise was present
3) after stereo update/upgrade/install I changed overall wiring to battery bank 2.... (see photo 2) grounded head unit to same post as amp grounds. REMOVED boat +/- from screw post and purchased $10 boat add post to wire directly to secondary post.....and tested all today....BOOM no noise!!!
No idea how this will work for others, but seems to be working for me. SUCKS to spend more $ after buying a boat, but well worth it in the end. Sadly, seems like me and others can not get a fix from dealers, so this is a secondary non-dealer route.
Let me know thoughts? I am sire there are other ways but this seemed to help. Also MLA mentioned not forgetting headunit positive, BUT if i wired that directly to battery i would manually have to switch radio on/off independent of boat which I was not interested in (see polk wiring diagram)
Sent from my SM-G935V using PLT Nautique mobile app
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