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From the advice of someone I tried a rca jack from my phone to the amp (removing RCA’s from HU), it was crystal clear, no humming…so this tells me it’s either the RCA’s or it’s the head unit, what HU do you have? I’ve ordered some quality RCA’s, and also a ground isolator, gonna try those and if neither of those work then I’m at a loss and assuming it’s the HU.
I have the stock Fusion MSRA70 that came with the boat. Glad to know your amp is good! Now you’ve got me thinking about upgrading the crap RCA’s I have on one of my amps.
The head unit worked just fine prior to install, I’m guessing they’d probably try and fight me on that aspect
The new RCA’s and ground isolator should be here in next couple days, will see how that goes and go from there…hoping that resolves it cause if it’s the head unit I know it’ll be a headacheI always tell my sales team “If you don’t ask you don’t get”
I’ve tried everything everyone has suggested, at this point I’m at a loss and really disappointed…
Glad you finally have it nailed down. Who would have thunk! Nothing you did would have caused that. I’d warranty it and use AUX plug until the replacement comes in.
Yup, I’ll be interested to see how much they try and fight it since audio work was done but yea, nothing I could’ve done would have caused that.
Your batteries grounded to house battery is not an issue. Mine are done the exact same way. No worries there. You definitely need a good switch to isolate which batteries are drawing power from what. House battery should be left alone to power boat, and extra batteries to power sound system. So if you kill the sound system you can still get home. Best test for this is if the boat starts while on sound system setting..... You screwed up. Now for the Noco I've had no issues of it draining batteries. My Noco is old though, and the lights that say charged (red is charging green is charged) are always red, but if I multimeter it reads full charge. So I'm probably not the best to answer that, but I do multi test before every outing.
Wait so you don’t want the boat to be able to start on sound system setting? My current setup is 2 batteries, stock battery and added a 2nd deep cycle. They are ran to a dual switch (1/2/both), 1 is starting battery, 2 is deep cycle…when I launch I start and run the boat on 1, get to the sand bar and switch it to 2, if that dies then I’m done listening to music and I switch it to 1 when I go to leave. However I’ve cranked off 2 before when I’ve not listened to the music for very long, is that not the correct way to do that?
More then likely your draining both batteries equally in your situation. I could be wrong, but if the boat starts (stock it's on house battery) in your sound system switch setting that tells me your house battery is still being drained. Only true way to tell is multimeter test it under load and see if it's truly off.
erko switch #1 terminalerko switch commonerko switch #2
Guess I’ll use a multimeter to double check…I have my emgine/starting wires, helm power, sound system etc all to the common, that means it works off battery 1 or 2, or both…if the switch is on 1 though those things are pulling from 1, if it’s on 2 it’s pulling only from 2, if it’s on both it will pull from both…that’s my understanding at least. I believe that’s right as a few weeks ago I had it on 2, amp started cutting out at higher volumes so I knew battery was dying, flipped to 1 out of curiosity and worked flawlessly, I then immediately cut the switch to off and went with no music until leaving where I switched to 1 and it fired right up.
Yep so sounds like yours it working correctly. I'm on my 3rd Perko switch. When they go bad they allow all to work. Screwed me once
Ahhh gotcha, makes sense…so with that said, if I wanted to add a 3rd, just run it parallel off my 2nd battery and using “2” off my switch should run both of those, allowing me double the time, correct?
