stuart_g
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| posted on 1/11/07 at 11:22 AM |
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fuel pump wiring
I have an 05 R1 and was wondering how to wire the fuel pump. The MNR loom I have for the car has provision for a fuel pump but so does the bike loom
that came with the engine.
My question is do I use the fuel pump wiring in the MNR loom, which I presume is just a constant power supply or do I use the wiring from the bike
loom?
Does the ECU control the fuel pump on the bike?
I am trying to get straight in my tiny mind what I need to keep from the bike loom.
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JoaoCaldeira
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| posted on 1/11/07 at 12:59 PM |
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I used both!
Why?
A) you need the power supply in the back (MNR loom)
B) you need ECU to control the fuel pump (bike loom)
So I wired the fuel pump to a relay commanding the MNR's loom fuel pump circuit, right after the fuses.
Best of both worlds 
Cheers,
Joao
[Edited on 07/11/1 by JoaoCaldeira]
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Davey D
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| posted on 1/11/07 at 02:00 PM |
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Agreed, you can use one, the other, or both... im sorry, as this really isnt any help to you  when i do mine ill be doing it like JC. using the bike
loom to switch a relay on the MNR loom
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stuart_g
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| posted on 1/11/07 at 02:29 PM |
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I see, that makes more sense now.
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Johneturbo
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| posted on 21/12/07 at 11:40 AM |
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Hey guys,
i've also been trying to get my head around the wiring for the fuel pump, on 2005 r1
i've draw a diagram to what i think i need to do
from reading the above.
or do i need an extra relay, as i think the bike loom has one already?
 
Rescued attachment relay-diag1.jpg
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Krismc
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| posted on 21/12/07 at 04:44 PM |
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i had issues with my mnr loom, for some reason i only had one connecting wire for my fuel pump( a pink one) at the rear of the car.
strange how it never made its way to the relays, or else where so i ended up running my own...apart from that the loom was faultless!!
Built, Ivaed, Drove and now Sold - 2011 MNR VORTX RT+ 2000cc Zetec on R1 Throttle boddies.
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stuart_g
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| posted on 21/12/07 at 07:44 PM |
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John, that's exactly how I understand it and how I am going to do mine, that way the bike ecu will control when the fuel pump is running.
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