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Recent content by jimothy

  1. jimothy

    Has anyone tried running a lithium battery under the hood in their 2025+?

    I am also using an LFP battery as a starter battery (dual purpose, strictly speaking, as the battery works as both a starter battery and deep cycle battery). If I understand you correctly, you're implying that because 90% SOC (state of charge) is "optimal", and because eTorque will keep the SOC...
  2. jimothy

    Has anyone tried running a lithium battery under the hood in their 2025+?

    Let me take back a little of what I said: I do see high amperage when charging (60-80A typically, and I’ve seen it reach as high as 100A). That does have an impact on battery longevity, and may be related to ETorque. Limiting charge rate to 25A would be better for longevity. My hunch is that a...
  3. jimothy

    Has anyone tried running a lithium battery under the hood in their 2025+?

    I don’t think that’s true at all. April will mark two years that I’ve been running a LiFePO4 battery under my hood (5.7L ETorque), and it’s not dead yet. The problem with ETorque is it under charges my lithium starter battery, which is actually better for longevity. If anything kills my...
  4. jimothy

    Bad MGU

    Which battery is getting ruined? I assume the 12V under the hood battery (rather than the 48V behind the rear seat)? I’ve got a 2021 ETorque, so far no issues, but I wonder if my time will come.
  5. jimothy

    Switched Power Supply

    It’s doable, but don’t connect your compressor directly to a switched circuit. Instead, use a relay.
  6. jimothy

    Has anyone tried running a lithium battery under the hood in their 2025+?

    Yep, if you’re sharing a ground, you’ve already made your aux battery non-isolated anyway. But for now, if it ain’t broke, don’t fix it.
  7. jimothy

    Has anyone tried running a lithium battery under the hood in their 2025+?

    Good suggestions, but I’d substitute the newer Orion XS for the two older models you suggested. More efficient, lower heat, and smaller, so easier to find a place for it. Edit: on the other hand, the XS is not isolated.
  8. jimothy

    Has anyone tried running a lithium battery under the hood in their 2025+?

    Incidentally, I’ve been running a LiFePO4 starter battery on my 2021 ETorque for a few years now. It works, though it’s state of charge is held pretty low, mostly because the way ETorque works so not completely relevant to the Hurricanes. Some things that are relevant, though: The battery is...
  9. jimothy

    Has anyone tried running a lithium battery under the hood in their 2025+?

    Does AlfaOBD work on 2025+ Rams yet? I thought it was only for 2024 and earlier.
  10. jimothy

    10j front and 12j back?

    10j and 12j appear to refer to the width of the wheels (10” and 12”). I wasn’t familiar with that terminology before, but that’s what the Google Machine tells me.
  11. jimothy

    HOW TO: Add Digital Rearview Mirror

    It’s a FAKRA cable, which is a type of coax.
  12. jimothy

    LED Headlight Wiring Diagram?

    I found a wiring diagram on the RAM-TRX forum. There are more diagrams there, so follow the link, but here's a list of pin numbers, colors, and functions.
  13. jimothy

    SL.Rated Tires on Rebel

    Nitro Terra Grappler 275/70R18, which has a 116T load index. About 15 pounds lighter per tire than a Falken Wildpeak.
  14. jimothy

    8 Way Gang Switches Hard Wired and With Wireless Phone App Yes I want it all {if possible} RGB if other requirements are met

    @bushman77 Did you set up any other signal wires with your D Switch? In particular, have you set it up to dim the panel when your headlights are on? If so, how did you tap into your headlight wire? My understanding is, I'll need to tap into a wire rather than a fuse. I'm looking to replace my...
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