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  1. R1S Subwoofer Upgrade failure - HELP!

    Thanks for the update. So, interestingly, I tried exactly what you mentioned. First, Rivian definitely concluded that the warning lights are directly due to connecting the amp/speaker to the "battery". They, of course, disconnected the power/ground leads and after a hard reset and a day...
  2. R1S Subwoofer Upgrade failure - HELP!

    From what I’ve been reading, seems it is a capacitor on the left. Would the strategy be to power the amp from the battery or capacitor? Seems the capacitor was where we had issues.
  3. R1S Subwoofer Upgrade failure - HELP!

    here is a look at the batteries. Seems like two batteries to me but not sure. Rivian disconnected the amp so I am not sure where it was connected though is does look like it was connected to the empty post/bolt on the right of the left battery. Any advice here on where to connect?
  4. R1S Subwoofer Upgrade failure - HELP!

    thanks for the reply! If there is a capacitor and battery, would the solution be to hook the power to the amp to the cap? Also, I assume the capacitor would be easy to spot once I remove the red cap? if there are two batteries, would a capacitor between the battery and amp make a difference...
  5. R1S Subwoofer Upgrade failure - HELP!

    thanks for the reply! I don’t have access to my R1s at the moment but thought I’d answer what I could. It appeared to have two batteries from what I briefly saw but will double check. There were two red plastic covers. Would the factory cap appear differently? Once the amp was disconnected and...
  6. R1S Subwoofer Upgrade failure - HELP!

    Hi All! We all know the problems with the low-end on the stock system. I have a 2023 R1S and wanted to upgrade the system a bit. I chatted with a well-known, experienced audio shop and went with the following setup: JL RD500/1 Amp JL TW5 sub with enclosure Bass knob 8 AWG wire to...





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