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  1. D

    800W RMS Amplifier install on 2022 model Y with new 15.5V Li-ion battery/AMD system

    Well, I am sad to report after a couple of months I received a "Power grid or vehicle issue limiting AC charging" message that maxed out my AC charging at 14 amps. I resolved the issue temporarily by disconnecting the power (under the frunk and the penthouse), but only a few weeks or days would...
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    800W RMS Amplifier install on 2022 model Y with new 15.5V Li-ion battery/AMD system

    I'm just posting an update in case it helps anyone else. After trying a number of different things that others have already tried, hoping I might experience different results, I finally installed the same 14 volt lithium battery Bradford_G and some others indicated they installed and resolved...
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    800W RMS Amplifier install on 2022 model Y with new 15.5V Li-ion battery/AMD system

    The jump post is actually to the right of the large red cover. It is plated or polished, so pretty shiny. Maybe try zooming in to see it. I removed the cap and set it to the left of the actual jumper post. I really don't want to pull the power wire through the firewall if I don't have to. I've...
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    800W RMS Amplifier install on 2022 model Y with new 15.5V Li-ion battery/AMD system

    Thanks so much for the response. Your description of the switch providing power to the LC2i makes sense. I am going to do something similar but instead of powering the LC2i, I'm going to power a Wavtech IRAD, which in turn will provide power to the amp. I will switch the amp back to signal...
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    800W RMS Amplifier install on 2022 model Y with new 15.5V Li-ion battery/AMD system

    Thanks so much for this awesome write-up! I have spent weeks researching this type of install online and talking with a few local car audio shops after I installed a JL Audio XD600/1v2 pushing two 10” JL W3v3s in a ported box in my 2023 Model 3 RWD. I tapped the penthouse for power and used the...