Recent content by rickst29

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  1. rickst29

    My 'Charge the Trailer from the Tow Vehicle' system.

    Sorry about that, here are the prerequisite things to know, for it to make any sense at all:[list type=decimal] Modern SUVs and Trucks determine a "voltage to maintain", under the hood, according to a few measurements which can be taken there. The most important factor is the estimated State of...
  2. rickst29

    Best Radio for 2012 Ford E-350

    https://www.carjoying.com/head-unit/c-h/ford-head-units/f150/joying-newest-us-warehouse-universal-double-2din-head-unit-android-5-1-1-lollipop-7-inch-car-stereo-hd-1024-600-quad-core-gps-navigation-system-with-bluetooth-dvr-obd2-mirror-link-goole-map.html This one meets all your features except...
  3. rickst29

    My 'Charge the Trailer from the Tow Vehicle' system.

    Yes, it's a terminal block: In replacing a "vampire" connector, you cut the original wire, using two of the 3 connectors for the original wire (one for the new "jumper" to terminating equipment). This USA seller offers them in jars of 50: http://www.ebay.com/itm/182055675184 For connecting 4 or...
  4. rickst29

    My 'Charge the Trailer from the Tow Vehicle' system.

    Incidentally: where I show a "bus" junction in a diagram, it's usually one of these "clip-loaded wire nuts". I think they're wonderful for mixing different wire sizes, or stranded versus solid, or more than 2 wires within a nut. They're far more reliable than "vampire" connectors and "twist"...
  5. rickst29

    My 'Charge the Trailer from the Tow Vehicle' system.

    Parts to build this don't cost much, but it requires that you already have an MPPT Solar System on the Trailer. I've been amazed by how well this works. Whenever the sky is 'compromised' (by clouds or off-peak time of day) I just flip the dashboard switch, and I have tons of power available for...
  6. rickst29

    Cat Computing

    "Cat Computing" comes in two forms. Traditional "Cat Computing" is binary: either the Cat is Sleeping, or the Cat is doing something delightfully sneaky. But there is also "Quantum Cat Computing", in which the cat frequently vanishes (leaving only a big smile, hanging in the air). "Where's the...
  7. rickst29

    What's worse than playing a funeral?

    Playing a wedding. With Pachelbel's Cannon. (Again?  >:()
  8. rickst29

    Another round of the 'Using tow vehicle to charge trailer battery' question

    Here's exactly how it works:   All modern alternators are adjustable. Using a Controller (which is typically mounted right on the Alternator itself), and a small "sense" wire into that controller, they adjust the position of the fixed magnets (surrounding the spinning portion) to create more or...
  9. rickst29

    Charging house batteries using engine alternator

    Bruce is Right. Without a special "Voltage Boost" device, the Alternator in the Truck/SUV cannot charge the Trailer Batteries. They will only provide power while the batteries are being discharged by the Fridge, and similar loads. Purpose built devices are made by Redarc and Ctek. It is also...
  10. rickst29

    Another round of the 'Using tow vehicle to charge trailer battery' question

    Without using special "voltage boost' equipment, the tow vehicle will NOT charge the RV batteries - although the Tow Vehicle will supply power (to run the Fridge on the road) when the Trailer Batteries fall below about 50% charge. The issue IS Voltage. The alternator "sense" circuit in your...
  11. rickst29

    Battery Charge Time

    Your 'PEC' is the newest version of the WFCO 8955, but it still has "issues" (of various kinds). I know a few people who have replaced the Converter's "main board" section with the corresponding 'Progressive Dynamics' PD4655 Upgrade Kit, and they're all delighted by the upgrade. It's about $200...
  12. rickst29

    South West Montana this summer

    Do not miss: Lewis and Clark Caverns. The only reason why that incredible cave isn't a national park or monument, is the fact that Montana made it a State Park so early in the game.
  13. rickst29

    Charging a Travel Trailer Battery With the Tow Vehicle While Driving

    It's an old Thread, but this one still comes up in Google - and the answers are mostly wrong. The real problem. The Toyota 4Runner, like nearly all modern Pickup Trucks and SUVs, will adjust alternator Voltage (and power) according to a "Sense Wire" which connects to a junction near the...
  14. rickst29

    Battery Charge Time

    That's not the most important problem. It depends even more on the Alternator's controller, which (in virtually ALL modern vehicles) will test Battery Voltage under the hood using a "Sense" wire - and then drop Voltage, according to the estimated "State of Charge" which it sees up front -...
  15. rickst29

    Will my tow vehicle charge my trailer battery?

    DEFINITIVE ANSWER: The Bargeman Supply "+12V" does not normally have sufficient voltage to charge Trailer Batteries. In modern vehicles, including the Tundra, the Alternator contains an electronic controller which adjusts output (Voltage, and therefore Amps) according to the measured "State of...
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