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Thread: Two batteries to start early RRC?

  1. #1
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    Two batteries to start early RRC?

    I have a 77 model RRC that needs two batteries to start, but all the accessories are 12 volt.

    Why does it need two batteries?

    My first thought was that in 77 the batteries were of small cca rating so have installed a 700cca battery and it still won't start.

    My knowledge of electrics is limited but the two positive terminals are connected together and the two earths are connected to the inner guards. I think this just doubles the amperage but leaves it as 12v, is this correct?

    If it is why won't it start on one large battery?

    Neale
    Neale

    85 Range Rover Ute (Project in pieces)
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  2. #2
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    Inner guards??? Try fitting an earth directly to the engine off one of the batts, it should then go OK. The big issue with early vehicles is poor earthing due to corrosion etc.

    JC
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

  3. #3
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    Sounds like my 2 door was before I chucked out the Lucas starter. Either dismantle your starter and lube the bushes or chuck it and get a later D1 Bosch starter from a wreckers. One 700cca battery should spin it up very well.

    Also run a new heavy duty earth cable from the battery negative to the engine block.
    Last edited by bee utey; 4th November 2010 at 08:20 PM. Reason: more free advice!

  4. #4
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    It hasn't had a diesel transplanted by any chance?
    People have told us less.LOL
    Regards Philip A

  5. #5
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    Quote Originally Posted by justinc View Post
    Inner guards??? Try fitting an earth directly to the engine off one of the batts, it should then go OK. The big issue with early vehicles is poor earthing due to corrosion etc.

    JC
    I had a good look at the battery cables. The earth on the drivers side (main battery) went to the inner guard. The passenger side went to the inner guard then had another cable that went to the screw top bolt on the rocker cover.

    So I undid the drivers side earth and connected it to the rocker cover the same as the other side.

    And she works....a 600cca battery spins it up nicely. Just have to get some more fuel to see if it will start.

    Thanks heaps mate.

    I am coming down your way in a couple of weeks (not in a land rover) just to have my first look around tassie.



    Quote Originally Posted by bee utey View Post
    Sounds like my 2 door was before I chucked out the Lucas starter. Either dismantle your starter and lube the bushes or chuck it and get a later D1 Bosch starter from a wreckers. One 700cca battery should spin it up very well.

    Also run a new heavy duty earth cable from the battery negative to the engine block.
    I was hoping to not spend much on this truck as I am gutting it soon to put a 4BD1 in it, thanks anyway.



    Quote Originally Posted by PhilipA View Post
    It hasn't had a diesel transplanted by any chance?
    People have told us less.LOL
    Regards Philip A
    No diesel, YET! Hopefully over winter next year it will get one.

    Thanks guys

    Neale
    Neale

    85 Range Rover Ute (Project in pieces)
    89 Range Rover Classic (Black Thunder)
    93 200tdi Disco,(OGRE)
    96 300tdi Disco, DEAD MOTOR
    04 Nissan Patrol with ALL the fruit
    09 Cub Daintree Kamperoo
    12 VE II Commodore Ute DD

  6. #6
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    Quote Originally Posted by justinc View Post
    Inner guards??? Try fitting an earth directly to the engine off one of the batts, it should then go OK. The big issue with early vehicles is poor earthing due to corrosion etc.

    JC
    I have both batteries on the RRC +ve connected to my starter and a 4 point earth on each battery running from the -ve to body to block to chassis.
    Although not always required, running an earth strap from the chassis to one of the starter mount bolts works well too if you suffer from the usual earth problems. There is an earth at the back of the head to the firewall, check this as its common age related issue and can mess with the ignition also.

    Cheers

    Andrew

  7. #7
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    Quote Originally Posted by Corgie Carrier View Post
    I had a good look at the battery cables. The earth on the drivers side (main battery) went to the inner guard. The passenger side went to the inner guard then had another cable that went to the screw top bolt on the rocker cover.

    So I undid the drivers side earth and connected it to the rocker cover the same as the other side.

    And she works....a 600cca battery spins it up nicely. Just have to get some more fuel to see if it will start.

    Thanks heaps mate.

    I am coming down your way in a couple of weeks (not in a land rover) just to have my first look around tassie.





    I was hoping to not spend much on this truck as I am gutting it soon to put a 4BD1 in it, thanks anyway.





    No diesel, YET! Hopefully over winter next year it will get one.

    Thanks guys

    Neale
    neale,

    The rocker cover screw is WAY too insignificant, and may actually arc and damage the thread etc in the head. Bolt it to one of many places available on the block, below the heads, or on the front of the head. In an early RRC there are plenty to choose from.

    JC
    The Isuzu 110. Solid and as dependable as a rock, coming soon with auto box😊
    The Range Rover L322 4.4.TTDV8 ....probably won't bother with the remap..😈

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