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  1. DiploStrat

    "Redneck Generator": Why wouldn't this work?

    Short answers: -- Charging, especially lead acid, takes hours and hours and hours. This will explain a bit of it: https://cookfb.files.wordpress.com/2016/09/battery-charge-slides.pdf -- If you design your system carefully, sizing your battery to your load, you will never have to worry about a...
  2. DiploStrat

    Inverter, generator or both... or niether?

    Like my buddies, my first thought is that you don't have anywhere near enough solar. Figure 5A of charge per hour per 100w of panel on a good day. BUT, the first thing you need to do is plan. Don't try to do this piecemeal - it costs much more. FWIW, the older GoPower! solar controllers are...
  3. DiploStrat

    DC to DC charger vs 7 pin

    Some of us would argue for a larger wire, depending on the battery bank, etc. I used a pair of 0 AWG cables, but, doing it over, would have used a single 0 AWG. But that was a 600+ Ah battery, about 25 feet from the alternator.
  4. DiploStrat

    DC to DC charger vs 7 pin

    News you can use? -- A major drawback with some (most) factory wired 7 pin connectors is that the gauge of the wire is probably too small (i.e. gauge too small) to pass enough amps to charge a camper battery during the time that the vehicle is running. This is especially a problem with lead...
  5. DiploStrat

    DC to DC charger vs 7 pin

    It was never my intention to give offense. Please take another look at your question. You offered no information or background, and thus you are quite correct - I had no way of knowing what you know. Your question is not what I would expect from someone who has wired two boats. My apologies...
  6. DiploStrat

    Charging Both Ways

    A small pump mounted very close to the fuel tank. Used to lift fuel when the lines are empty and the normal fuel pump may not be able to pull enough fuel to prime the system. Basically, it pushes fuel to the vehicle's regular fuel pump - which is normally mounted near or on the engine. See post...
  7. DiploStrat

    Charging Both Ways

    Rob Pickering installed a battery isolation switch for the starter. I actually removed it, mostly because I needed the room in the battery box. As we are not full time, our truck tends to sit a lot - it is nice to have the starter batteries coddled and they certainly seem to be in very good...
  8. DiploStrat

    Mercedes Overland Building/Tuning

    FWIW I am always jealous of the beautiful work that Jon and Heather did - a cut above the work on my truck.
  9. DiploStrat

    Charging Both Ways

    Sounds like you wired up the manual equivalent to what my Twisted Sister (tm) does automagically. N.B. As warned by REDARC, the 12v to 24v charger never turns off off as its trigger voltage is the lead acid appropriate 13.2v and my lithium camper battery rests at over 13.3v. Not really a...
  10. DiploStrat

    Charging Both Ways

    In my case, the switch is a simple toggle located inside the cover door that covers the fuel tank. Only use the pump when the truck has been sitting and then for about 30 seconds. Didn't want the switch under the cab - too much work. But it certainly works, should solve priming problems and...
  11. DiploStrat

    Charging Both Ways

    More to come, but I wired my boost/lift/prime pump to the camper battery as it was easier.
  12. DiploStrat

    Mercedes Overland Building/Tuning

    LN2 is not a Unimog. (Thank the Lord! ;) ) No dash lever. Do have the floor button - operates the exhaust brake and serves as engine kill through the throttle linkage.
  13. DiploStrat

    Mercedes Overland Building/Tuning

    How do you do that? I don't have an injector pump control in the cab.
  14. DiploStrat

    Mercedes Overland Building/Tuning

    Some things to remember: -- Parking brake will not release until you have air pressure. May take two or three wall clock minutes. -- Must use exhaust brake to stop engine; key won't do it. N.B. Battery will drain if you do not use key to turn off electrical system. -- Truck has next to no...
  15. DiploStrat

    Diesel water separator and filter

    Certainly hope so! The OEM filter is the finest. The Baldwin is coarser, but its main function is to catch water. There should not be a lot arriving at the OEM filter. In my case, the only real problem was the paper towels in the tank! The Howes ran their Chevrolet Duramax across 50+ countries...
  16. DiploStrat

    DC to DC charger vs 7 pin

    Wow! At the risk of being snarky, if you don't know, then you need to find some good electrical help or start doing some reading. (A small start: https://cookfb.files.wordpress.com/2016/09/battery-charge-slides.pdf) Basically: -- The wiring on most 7 pin plugs is too small to carry many amps...
  17. DiploStrat

    Diesel water separator and filter

    Three filters in a week would indicate the need for some dish towel prefiltering. :oops: That is only likely outside of North America/Europe. In my case, the last filter is OEM - been replacing with each oil change, with all of the prefilters, now plan once a year. The Baldwin with separator...
  18. DiploStrat

    Basic Question: Looking for wiring diagram, Solar + DC to DC charger

    I simply connect the DC-DC charger and the solar controller to the camper battery. This way, the output of both chargers is added together. BUT, jon61ct is actually being VERY clever here. By connecting the solar controller to the starter battery (and setting the profile appropriately) he is...
  19. DiploStrat

    Diesel water separator and filter

    I just use a Baldwin. Of course I also have a boost/prime pump and that has a small Ford filter as well, so I have three filters in total.
  20. DiploStrat

    Is there a relay that will allow me to do this? Powering weboost from truck battery while driving and house battery while parked.

    If your goal is to assure that the WeBoost cuts out whenever the engine stops, then a simple, ignition-controlled relay will work perfectly. Wire the WeBoost to the camper battery which, as noted, will be charging whenever the engine is on. If your worry is that the WeBoost will kill your...
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