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What Needs To Be Done For Fuel Pump Wires Gtr

PHA71L

By PHA71L,
in Engines & Forced Induction

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PHA71L Community Regular

PHA71L

Posted
Posted

i have sard 720cc inj and a sard in tank fuel pump i was running out of fuel on the dyno up top due to a voltage drop what needs to be done to fix this i had a read but it made it even harder to under stand!

thanks in advance steve

battery Mentor

battery

Posted
Posted

basically the standard fuel pump wiring is shit house you usually get around 11v at best which is way under the rated 14.4v.

what you wanna do is replace this wiring with a cable straight from the battery to the boot to reduce resistance and bypass all the bullshit regulators....

you can then hook it up to a relay which will switch the power to the pump on and off.

if you have an amp in the boot you may be able to use that cable as long as it can handle the extra current.

PHA71L Community Regular

PHA71L

Posted
  • Author
Posted

ok thats prety much what i was thinking.....

so do i run the earth wire to from the battery to the relay?

do i run these new bigger wires to the pump its self also?

or cut into the stock wires near the pump?

sorry if i am no were near it haha i am new to all this!!

all i have ever done is cd players :)

PHA71L Community Regular

PHA71L

Posted
  • Author
Posted

some one has to of done this befor?

i know its not that hard just want to hear how people have gone about doing it?

as i have been told a few differnent answers all ready....

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