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Fuel pump wiring

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Drewdog
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2015/09/15 19:26:41 (permalink)
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Fuel pump wiring

G'day all, just after ideas on where the best circuit/ accessory point to wire an electric fuel pump would be. Only needs power when the ignition is on and there will be a switch in there too...
Cheers Drew...

GT Cortina Project "The Ugly Duckling"
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    troppo
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    Re: Fuel pump wiring 2015/09/15 19:56:38 (permalink)
    +1 (1)
    I`d be hooking it to an ignition feed so you dont have it pumping if you have the acc on. Easy enough to find a wire with a wiring diagram and test pencil, just use it to feed a relay
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    MK1_Oz
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    Re: Fuel pump wiring 2015/09/16 15:14:45 (permalink)
    +2 (2)
    Use a relay (you didn't mention one in the OP) that way you can connect into an ignition feed without putting additional strain on that wiring (relay trigger uses tiny amount of power).  Maybe consider using a tachiometric relay so that the fuel pump turns off when the engine stops.  These take a feed from the coil as the trigger.  LPG installers use these or search feeBay.  Makes things safe in a crash.
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    Drewdog
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    Re: Fuel pump wiring 2015/09/16 19:40:43 (permalink)
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    Thanks guys... Drew...

    GT Cortina Project "The Ugly Duckling"
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    shannon
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    Re: Fuel pump wiring 2015/10/02 21:02:56 (permalink)
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    from what i remember the xe-xf falcons did similar but using the star point of the alternator then to a relay

    Adrenalin Auto Electrical Sydney
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