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  1. #1
    Join Date
    Aug 2017
    Posts
    25

    Default Running stereo through accesory switch on a Supra SL

    Hello all,

    Just trying to figure out a way to be able to manually turn the stereo off and on, as others have done, in a Supra SL. As far as I can tell, the headunit is built in to the touchscreen (I have not been able to locate a separate headunit). All the controls for the stereo run through the screen as well. When you turn off the key, a popup asks if you want to keep the audio on.

    Am I thinking correctly that there is power running from the screen to the amps, and I could run this power through one of the open accesory switches on the dash? I would really like to turn the power off to the stereo myself, if possible. Would this confuse the software in the screen in any way? Could it cause any issues? Thanks for any insight!

  2. #2
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,467

    Default

    I would really like to turn the power off to the stereo myself
    Hit the "power" button on the screen to turn the stereo off.

  3. #3
    Join Date
    Aug 2017
    Posts
    25

    Default

    Pretty sure you can only mute the stereo from the screen, no power off button.

  4. #4
    Join Date
    Sep 2011
    Location
    Christina Lake
    Posts
    171

    Default

    IMG_2140.jpg

    Do anyone know if we can wire a accessory switch on the blue wire? If not where would be the best place to put one in?
    2018 Supra SL
    2013 Nautique 210
    2011 outback v
    1992 Sunbird

  5. #5
    Join Date
    Oct 2010
    Location
    Lake Wylie NC Area
    Posts
    2,467

    Default

    1st, there is no reason to the amps turned on, without the ICE and screen. 2nd, turning the amps on/off independent of the ICE, will create pops/thumps.

    It would be great if the OP would jump back in and expand on what her's after in the end.

  6. #6
    Join Date
    Sep 2011
    Location
    Christina Lake
    Posts
    171

    Default

    The new Sl already pops on start up, the OP and myself are friends and are having issues with the boat making a very loud POP on start up, I sounds like a back fire an is going to blow my kids ear drums out. Supras fix so far is to run the battery in 1+2 mode.
    After killing a battery last night tempting ballast , i prefer to have the battery in 1 or 2 so that I can start the boat if one dies
    2018 Supra SL
    2013 Nautique 210
    2011 outback v
    1992 Sunbird

  7. #7
    Join Date
    May 2018
    Posts
    4,928

    Default

    2018 SA and I get the amp pop on start up.


    Sent from my iPhone using Tapatalk
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  8. #8
    Join Date
    May 2018
    Posts
    4,928

    Default

    2018 SA also pops.


    Sent from my iPhone using Tapatalk
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

  9. #9
    Join Date
    Sep 2011
    Location
    Christina Lake
    Posts
    171

    Default

    Just curious for those that have a "pop" like myself what battery did your boat come with? I have a pictures of the wiring and battery set up of some one with a 18 SL that doesn't pop. They are running a dual purpose battery with two sets of posts. Mine has one post and all wiring is going to one terminal.

    There are some 2019 SL's doing it as well.
    2018 Supra SL
    2013 Nautique 210
    2011 outback v
    1992 Sunbird

  10. #10
    Join Date
    May 2018
    Posts
    4,928

    Default

    Mine has 2 of these.


    Sent from my iPhone using Tapatalk
    2021 Supra SA 400
    2018 Supra SA 400 (SOLD)
    Michigan

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