electrics help

Discussion in 'Self-Build Motorhomes' started by john arnold, May 4, 2014.

  1. john arnold

    john arnold Read Only Funster

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    hello all

    im newbie just bought a transit swb medium height roof, im fine with the carpenrty but crap on electrics and as this needs to be the first consideration im asking does anyone know if a place that can wire up the leisure battery for me near dartford kent area

    cheers
     
  2. Johns_Cross_Motorhomes

    Johns_Cross_Motorhomes Trader - Motorhome & Accessory Sales

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    Welcome to Fun, best if you subscribe as you will run out of posts doing a new van conversion with the number of questions you will ask us.

    Best tenner you will ever spend and you will get that back with member discounts

    You can always phone my workshop and book it in.

    Subscribe <<< HERE

    Good luck
    Peter
     
  3. john arnold

    john arnold Read Only Funster

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    Yeah i might, how much would it cost to get the main part of electrics done, i can do the lights etc just the battery and all the relay malarky
     
  4. TheBig1

    TheBig1 Funster Life Member

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    split charge relay system in motorhomes is basically the same as fitted to caravan towcars. any local auto electrician or towbar place could do the job between £50 and £100 dependant on how much you do yourself. an hour of labour plus parts

    basically you need a good thick wire run from the van battery via a fuse to relay/s (you can use one intelligent relay) then more thick wire from relay to leisure battery and another to the fridge. the negative side of the leisure battery gets wired to a bare metal point on the chassis.

    running the habitation electrics from there depends on what you want to fit:thumb:
     
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  5. berni109

    berni109 Funster

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    Sbmcc site is where u need to go mate.
    Everything you need there
     
  6. cmcardle75

    cmcardle75 Read Only Funster

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    If your budget runs to it and you are planning off-grid living at all, consider a battery to battery charger instead of a relay. The fitting is basically the same, but it does a much better job of charging the battery quickly, so just a few tens of miles driving every day can keep you topped up. The split charge will run your fridge well and give you a trickle charge, but won't be good as your primary source of electrical habitation energy. Alternatively, solar is good, especially if you prefer nice weather to winter ski trips.
     
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  7. TheBig1

    TheBig1 Funster Life Member

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    B2B chargers tend to be too expensive for most self builders to consider
     
  8. RS_rob

    RS_rob Funster

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    Hi the Durite 12volt 140Amp split charge relay is what u need & some good heavy duty wiring.

    Not cheap thou

    Don't bother with the cheap split charge systems....
     
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  9. Mike B

    Mike B Funster

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    Brought a B2B charger from C.A.K. Tanks for ~ £30, Jaws put me on to them.

    CAK Battery Charge Manager BCM12
    . Automatic
    charge switching device allows charging of the vehicle
    starting battery once the auxiliary battery is charged by
    hook-up charger or solar panel. Charge rate 0.1 to 4 A
    max. Allows better use of wasted solar panel charge by
    directing it to a second battery prevents flattening of start
    battery from having cab equipment running. LED
    illuminates to confirm unit has switched to charge. Size
    80x50xD50mm

    [​IMG]

    CSB2 = BCM!2
     
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