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Thread: Ballast resistor?

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    Default Ballast resistor?

    Can anyone help no to find the ballast resistor on my 77 240k, I think I found it on the wiring diagram but not on the car.

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    Datsaholic Mr Camouflage's Avatar
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    Quote Originally Posted by Yamahacam View Post
    Can anyone help no to find the ballast resistor on my 77 240k, I think I found it on the wiring diagram but not on the car.
    Apparently there is a wire that acts as the ballast resistor.
    See aarc240's post about half way down this page:
    http://www.classiczcars.com/forums/o...tml#post173861
    Yamahacam likes this.
    www.nostalgictrio.com Skyline - Silvia - Fairlady Z
    www.ozdat.com The Australian Datsun site.
    www.cafepress.com/vintagedatsun

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    Found the resistor wire I was looking for. It runs back from the +ve connector on the coil along side the black/red wire and splices into the black/white wire up behind the lh headlight. Black/red must be the start power supply (12v) and the black/white wire supplys ign on power(low voltage) through the ballast resistor wire. I had trouble reving past 3500rpm after installing the pertronix ign. I simply took power from the black/whiote wire closer to the round connector near the coil and hey presto no rev problems and no tacho issues. thanks mr camouflage for the help.
    Last edited by Yamahacam; 01-18-2014 at 07:51 PM. Reason: forgot thankyou

  4. #4
    ケンメリ 240k Style's Avatar
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    Where's the you tube video of it running well???
    Adam

    1975 HGC110 "YONMERI" Datsun 240K GL Sedan
    1976 KHGC110 "KENMERI" Datsun 240K GL Coupe

    1978 MGC210 "Japan" Datsun 240K sedan (sold)

    http://japanesenostalgiccar.com/foru...hp?f=7&t=24596



    Contact Jason at info@jdmfactory.com.au for all your YJ / JDM needs !!

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    Youtube may be a bit beyond me. Might try soon.

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