![]() ![]() I don't think you want it free standing, just held by the large black cables on each side, as vibrations over time might make things come loose. The shunt has 2 large bolts on top, these are for the negative wires.ġ) You need to find a place to mount the shunt. You can see that someone did try to put all the larger cables on the bottom battery, so its close to perfect positioning. If there were enough space, or fewer positive cables, then you'd want all the positive cables going to the second battery, with just a single positive cable between it and the first battery - this way the overall distance travelled from any device/charger would be the same, either 12" longer on the outgoing positive side or 12" longer on the incoming negative side. Technically that 12" cable means the first battery has slightly less resistance involved in power coming/going, so it will be used slightly more, and wear slightly more/faster than the second battery. If they were in series, then one battery's negative would connect to the other battery's positive.Īll the negative wires coming in to the top battery are also connected to the bottom battery's negative by the short black cable. ![]() You can tell this because the black cable goes between the negative poles. This means they output 12 volts, and the sum of the amps of the two of them. G) Your batteries are hooked up in parallel. Generally speaking, try to only work with negative or positive cables at any given time. Otherwise wrap some electrical tape around the lug. If you have little rubber caps or something, that'd be even better. This way if the cable gets pushed out of the way while I'm working, I don't accidently push it into something like a cable/battery pole of the opposite polarity and cause a short (as in Boom, sparks, bad things!). So long as you have no metal and are not working in wet weather, you should be fine so long as you don't let a wrench or screw driver or something lay across both positive and negative cables at the same time.į) When removing a lug from its position on the battery, unless I'm moving it to somewhere else right then, I always immediately wrap a little plastic baggy or two around it (I have small ones that are just a few inches square). It happened to a service tech while I was in a RV repair center once, and he got a nasty burn around his finger because of his wedding band, which he'd forgotten to take off. This step is important because if you have metal on your hand/fingers and accidently touch a positive cable to it, you can get shocked and burned. This is needed for working on the battery cables, as if it is on and you remove the negative wires (ground), you can burn out your LVD.ī) Engine off, so no charging coming from there.Ĭ) Shore power NOT plugged in, so no charging from there.ĭ) If you want to be super-safe, you can throw a blanket over the solar panel, so no power charging from it.Į) Take off ALL jewelry from both hands. If anyone else reads this and sees something I've missed, please chime in.Ī) Put the coach in Store mode, where the red light is on. Oh, 2003 with a 7.3L Diesel if that matters. ![]() ![]() It seems simple enough, just a bit intimidated by it all and need to be confident I have a plan going in - which at this point I do not (have a clue). I prefer to figure this out myself (with your help of course) versus seeking help somewhere. I'm assuming before I start disconnecting anything that I need to obviously be off shore power, in "store" mode - anything else need to be shut down/disconnected to preserve my life! Which cable is going to the Start Battery, or none? and does that even matter? Should the start battery cable also go through the shunt? So many questions.Īnyway, I'm confused and need a little guidance if there is any to offer here. How do I know what's what? I also expected to see a different config of the two batteries cabled in series, but I don't think they are - it seems like they are independent of each other, or at least have the loads split between to two? I have no idea. Shunt instructions are pretty basic - Attach all the drawing loads to the Negative side of the shunt, run the positive lead to the positive on the battery and done! There's a video on the Victron Site and YouTube, but. So, total novice on this stuff, but for whatever reason I didn't expect to see this - all the cables and various connection points. ![]()
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