gen 1 inline pump wiring

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gen 1 inline pump wiring

This is a discussion about gen 1 inline pump wiring within the Suzuki Hayabusa section, where you will Some say Busa's Dominate; i have a cut rail bike project and was wondering when i got to wire the fuel pump can i just use the wires in the harness that feed the stock pump that way it

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    Default gen 1 inline pump wiring

    i have a cut rail bike project and was wondering when i got to wire the fuel pump can i just use the wires in the harness that feed the stock pump that way it comes on when i turn the key ...also what kind of regulator psi should i shoot for

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    That is how i did it bury i also had to wire in a relay. Regulator i am using a automotive.

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    But*

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    Quote Originally Posted by onetime468 View Post
    i have a cut rail bike project and was wondering when i got to wire the fuel pump can i just use the wires in the harness that feed the stock pump that way it comes on when i turn the key ...also what kind of regulator psi should i shoot for
    yes you can wire it up this way without any extra relays. just leave the other two wires for level sensor blank. fuel pressure depends on how big of motor and and how much fuel it wants i would say somewhere between 40-50lbs should be a good starting point!
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    Stock psi is 44 or 43 .
    g---mall and onetime468 like this.
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    which two wires do i use???? blk with white stripe for ground and yell/red as hot?

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    Yellow/ red is power. If it was mine and you have the space. I would do a relay I saw over 1.5 volt difference at pump when I wired mine up.

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    I WIRED IT UP LAST NIGHT AND IT DID NOT KICK ON...also when i disconnected it and turned the switch on it killed the lights and pretty much everything else....the engine isnt in the bike iam thinking that may be the issue

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    Quote Originally Posted by onetime468 View Post
    I WIRED IT UP LAST NIGHT AND IT DID NOT KICK ON...also when i disconnected it and turned the switch on it killed the lights and pretty much everything else....the engine isnt in the bike iam thinking that may be the issue
    You most likely wired the relay wrong.. Use a basic 5 prong 30amp relay and if you need google wiring for turning low amperage +positive into a higher amperage positive+ using relay it will give you a picture diagram and relay will then isolate fuel pump as well. Make sure u get high amperage from battery so u won't get voltage drops and relay cuts on and off with key

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    all i did was connect the yellow red to the red pump wire and the pump ground to the black white..shudnt that work?

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    Quote Originally Posted by onetime468 View Post
    all i did was connect the yellow red to the red pump wire and the pump ground to the black white..shudnt that work?
    Put it on a relay that's how I ran mine . Plus if ur using a fuel cell ur FI light is going to be on then ur going to need a 100ohm resister between the other to wires for the gas level ga. not to read empty .
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    Quote Originally Posted by onetime468 View Post
    all i did was connect the yellow red to the red pump wire and the pump ground to the black white..shudnt that work?
    It will work but the amperage draw in between the two are different, so to protect yourself you would wanna use a relay homie....

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    hmmmm thats alot of good info looks like i got some work to do...so set it in with a relay and to turn the fi light off it needs a resistor needs to be in place of the two fuel sender wires

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    Quote Originally Posted by onetime468 View Post
    hmmmm thats alot of good info looks like i got some work to do...so set it in with a relay and to turn the fi light off it needs a resistor needs to be in place of the two fuel sender wires
    CORRECT,that way if comes on you know its not from gauge cause its reading .
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    Google Image Result for http://www.auto-nomics.com/images/fuelpump_relay_wiring.gif

    is this what your talking about... in order to take the load off the stock pump wires..but dosent the stock wires come from a relay to begin with

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