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Thread: battery or fridge

  1. 3rd October 2010, 03:50 PM #11
    lewy
    lewy is offline Wizard Silver Subscriber
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    have soldered terminals straight to aux battery with a hella cig female with the standard bushman male plug in the cab the only thing different is a volt meter in the cab,
    with the engine running at idle there is 13.14 volts at the battery,
    13.25 at the plug[why is that higher]
    with the engine stopped 12.75 at the battery
    12.75 at the plug
    be aware this is running the original marelli alternator so need some revs to get to 13.9 ish
    thanks in advance
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  2. 3rd October 2010, 04:08 PM #12
    Hoges
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    Quote Originally Posted by lewy View Post
    cleaned every connection i could find,made another temp powerlead out of an old 15 amp extension lead ran from every battery i could find,still same problem works perfect on house power or when engine is running just not on battery,is it possible the electronics are telling it the voltage is to low to kick in?? probably have to see Mr bushman tomorrow
    15Amp extension lead ok for 240V but not enough cross sectional area to supply required juice at a nominal 12V. It's only about 12g at best. Need 8g which is about 5mm in diameter (approx 13sqmm xsectn area) for proper performance.
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  3. 3rd October 2010, 04:22 PM #13
    lewy
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    the main leads are 6mm.
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  4. 4th October 2010, 12:44 AM #14
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    drivesafe
    drivesafe is offline OldBushie Vendor
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    Hi lewy, 6mm auto ( which is 4.5mm2 ) or 6mm2 ?, either way the size is fine and so is the voltage at the fridge.

    You are not going to get higher than 12.75v at the fridge with the motor off. 12.75v is a fully charged battery and if your still having problems, it may pay you to have the fridge checked.

    For Land Rover Specific Dual Battery Systems and Headlight Wiring Upgrade Kits,
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  5. 18th October 2010, 06:32 PM #15
    lewy
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    Okay,finally had time to fix? this,
    Had a 1 volt drop over the hella merit plug replaced the merrit with a two pin marine plug that screws together,Also joined the 2 negative terminals together on the duel battery's as well as to earth,This seems to have fixed the problem so everyone who replied with advice was correct.thanks to all.
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