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  1. Dash Cam Fuse Tap - Need ON and ACC Fuses

    Jim: If your dash camera lacks a voltage cutoff you could drain your battery. And even if it does, many cameras have power saving parking modes, themselves engaged in cases where the dash camera detects no current on the accessory power line (energized with the alternator turning,) and current...
  2. How did you decide on your engine?

    reliability of the 3.6L, plus, with no engine, I'd see me needing a new pair of sneakers far more frequently than I had budgeted: Wait, was the OP interest in what engine I choose or if whether I'd equip my JL with a non manual propulsion mechanism of some sort?;)
  3. Out of State Purchase - Recommendations and Lessons Learned

    Deal with a reputable dealer who is well experienced in processing factory order sales, and is meticulous about checking the vehicle before it gets into your hands (Koons might be an example.) A dealer with proximity to mass transit (after all, if you are driving the vehicle home you might be...
  4. Battery drain out of no reason, and then ESS warning

    @OldGuyNewJeep's advice about trickle charging makes and sense and I do it. Keeping ESS running is such a strategy's side benefit: prolonging the batteries its primary one. It won't though address a defective battery incapable of holding or delivering charge: not that he said otherwise. And...
  5. Battery drain out of no reason, and then ESS warning

    At least in the 3.6L those batteries are connected in parallel at all times but an instant at crank and during ESS events. In such situations voltage can flow from the higher voltage battery into the lower voltage battery and, if the lower voltage battery is bad, still not charge it, losing...
  6. 2021 Wrangler - ESS Not Ready Unless AC / Heater is Completely OFF

    ...yes...the ESS battery positive, which flows out the ESS battery negative, so to speak, and off to a bunch of dangle cables (as per my directions) that, as your point below, do connect to the body ground, a fair point as it relates to the ESS battery, but not the main battery so as to in any...
  7. 2021 Wrangler - ESS Not Ready Unless AC / Heater is Completely OFF

    I'm confused Mike. You've provided a link to what I presume is the wiring diagram in the first post of a thread, with no accompanying explanation, that basically makes what I thought was my case. And that case is that removing all wires from the negative post of the main battery isolates that...
  8. Light bar on 4xe?

    Ok..so I'm a broken record on this.... Stellantis, you really couldn't find another place to put your dang charging port but the cowl where you know that so many aftermarket sellers, from roof rack makers to mirror makers to light makers access? Really? I'll bet you just said, "don't worry...
  9. 2021 Wrangler - ESS Not Ready Unless AC / Heater is Completely OFF

    Keeping the positive terminals connected (and only the positive terminals) links the two batteries? Ok, but news to me. For a battery to be attached to something, my understanding was that a circuit had to form. My instructions of removing all cables from the negative post of the main battery...
  10. 2021 Wrangler - ESS Not Ready Unless AC / Heater is Completely OFF

    As if he didn't explicitly say it, (and he did) the OP @Hutchy68 68 takes issue with being sold a bill of goods by Jeep on ESS that didn't delivery in actuality. Tom: some background, some standards, and some ways to redress the situation. The way Jeep designed ESS (which BTW is flawed, more...
  11. Roof rack with Sunrider on JLU, suggestions please!

    I would guess that the length of Kayaks would necessitate that a rack which solely likes on top of the large portion of the hardtop (i.e. sans the Freedom panels) would not provide a long enough footprint. One solution, if you don't want a full roof length rack is a cowl attachment that allows...
  12. Renogy DC to DC charger with MPPT

    Nadine @finding away. I'm revisiting this post having "slept on it" and investigated the Jackery product line you reference. I've got some bad news. If your setup is geared around this product, living in Arizona I am afraid that you are going to run into problems. The Lithium Ion battery...
  13. Roof rack with Sunrider on JLU, suggestions please!

    What might be helpful Brian is if I have appreciation of how much gear you wish to carry and your budget. For example, both the Gobi and LOD Offroad racks--at the higher end of the price range, can be configured such that the space above where the Freedom Panels would normally be (and where...
  14. Renogy DC to DC charger with MPPT

    Hi Nadine @finding away: First off, when you say "I don't understand why the unit is plugged in, seeing as it is presumably hardwired to two isolated batteries... " this is what I think you are asking. "Why is it necessary for either the DCC30S or 50S to know that the JL is cranked (i.e. that...
  15. Renogy DC to DC charger with MPPT

    I am using a Renogy DCC30S DC-DC MPPT charger in my 3.6L Sahara. Hit my up either here or in private message Nadine @finding away with your questions. I'm glad to share with you where I "skinned my knees," so hopefully you won't. Yes, the device is compatible with the smart alternator of a...
  16. Can I drive with top off and freedom panels on?

    Unfortunately Winchell @Shots, it is only in our minds that we can, in the heart of Winter, drive with the top on, and the Freedom panels off, wishing for warmer weather. ;)
  17. Intermittent no start on 2018 Rubicon JL

    Marti @Martiwnc to Aldo's point @aldo98229, did the dealer load test each battery independently? So we're clear on language, this involves taking not a battery voltage tester, but a load tester to each battery, first disconnecting each battery from the other, and testing each battery's ability...
  18. Which hard top removal device would you recommend?

    I'm partial to the Freedom Jack, which I think deserves honorable mention in any thread that deals with getting a hard top off and storing it. https://www.freedom-jack.com/ Engine cranes, sold separately, (you only need a 1, not a 2 ton one) seem to be forever going on sale at Harbor Freight...
  19. DIY Roof Rack for JLU 4xe with SkyOneTouch Roof

    Juergen: great work but LOD Offroad and Gobi don't have offerings that are compatible with the Sky One power roof? Funny enough: where you may have a market is with the 4xe. There's not place to attach a rack at the driver's side cowl thanks to some IMHO bad charging port location designs.
  20. ESS and power loss

    @Rogue321 James: a good read on the use of trickle charging to sometime bring older batteries to their best performance or simply keep ESS running. https://www.jlwranglerforums.com/forum/threads/ess-problems-need-input.76146/ The thread also talks about how to take individual voltages of each...
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