HowTo: S14 Walbro fuel pump install

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SpoolTool
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Post by SpoolTool »

Anybody know how to do the wiring? That would be helpful in this thread
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importdude
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Post by importdude »

its only 2 wires

use the supplied crimps
SpoolTool
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Post by SpoolTool »

importdude wrote:its only 2 wires

use the supplied crimps
I have a walboro installed on my car and theres 4 wires going to a relay. I bought the car with it installed and I was looking for a more simply way to wire it in as it is now hard wired to a switch..

Knowing the number of wires doesn't help much if you don't know where they go :roll:

I'm gonna re-wire mine soon (busy at school) So I'll post how that goes maybe with some pictures if I get it working properly.
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EstoMax
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Post by EstoMax »

maybe your car has the walbro 'hard-wired' in. If there is a relay the stock fuel pump power lines might be triggering the relay, which get power straight from the battery to the fuel pump.

Marko
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SpoolTool
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Post by SpoolTool »

EstoMax wrote:maybe your car has the walbro 'hard-wired' in. If there is a relay the stock fuel pump power lines might be triggering the relay, which get power straight from the battery to the fuel pump.

Marko
With that being said how is everyone else wiring their units in?

If there are 2 main wires, one for power and ground, where should I splice the power wire so that it gets 12 volts when the key is on?
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EstoMax
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Post by EstoMax »

afaik most of us have it wired conventionally.

i don't know what you have there.. take pictures or something before i can advise you further. If you have a relay, then the stock wires coming from the front of the car would power the relay trigger and there would b a wire from the battery (with an inline fuse) going to the relay and another one going to the fuel pump, and from the fuel pump a wire going to ground.

MArko

make a new thread if ur confused, most people dont check stickied threads.
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Chay G.
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Post by Chay G. »

why not using an inline walbro?
Xren17
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Post by Xren17 »

Hey,
Just wanted say thanks for the write up. It made life a bit easier on me.

-Ren
el_mata
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Post by el_mata »

i just did mine... but how is it that the cables from the walbro might cause a spark and explode. I think of it every time I start the car!
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Post by Xren17 »

Haha. I had the same question but it'll be fine as long as you have the connectors crimped and insulated. The reasoning being that gasoline is a poor conductor therefore a good insulator. This means that current does not travel well through it so there's no worry of a spark unless the power line comes into direct contact to a ground.

-Ren
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EstoMax
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Post by EstoMax »

also keep in mind electricity takes the path of least resistance.. so as long as there is some wire connecting the right wires and their not shorting with each other you won't have any problems.

Marko
95 s14 kaT
t3/t04e (60 trim), bikirom, groundzero mani/dp, 82 lb AMS FS
94 d21 kaE 4x4 stock
godchsr
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Post by godchsr »

Excellent write up! I will be doing this very soon! I will try and snap a few pics along the way as well.
shift_s14
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Post by shift_s14 »

thanks for this post, it helps a lot
i just remove it yesterday, i just strugle a little bit to insert back because i don't have enough light, but i'll finish by today

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Caveit77777
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Post by Caveit77777 »

I don't know if I'm really asking this but whats the l/hr difference on the stock pump compared to the walbro 255?
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Post by 8-bit »

thanks for the writeup.. I'm glad to hear that the long sock is in my current tank and that I can use it on the walbro. I ended up ordering an S13 pump for my S14 because people don't seem to have S14 stuff and I was starting to get a little wary about not having a sock that goes long enough.

looks easy cheesy like the S13 was (back when i had one).
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will.yum
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Post by will.yum »

Good write up man def helped a couple days ago but was confused on how the pumps brackets were put back in but figured it out quick and smacked myself lol.
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Post by coachbag01 »

Yes - A couple other forums that I frequent do it that way and it works great...
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Post by DeatschWerks »

Just wanted to let you guys/gals know that this install guide will work for installing our DW301 fuel pump, as well.
project-c2
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Post by project-c2 »

I followed this to the T and when I was done, I turned the key on and it just sounds like the pump is free wheeling. I cranked it and no start. ****. I take it back out and noticed the black and red wires are in the wrong pins. The pump has markings and the black wire was going to the (+) side. FACK. So I recrimp the wires red going to black and red/green going to red. Then it worked. Just a warning to follow the pump markings and not the wire color. Hope this helps people in the future. I did the install with the tank out cause I was swapping then ended up doing it on the car, cause the tank was installed.
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YadPwns
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Post by YadPwns »

Awesome write up!! THANK YOU!!! Was a breeze to install my walbro today thanks to this!!
Cheers!!!! :D
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Post by yvang07 »

Bookmark'd I know I'm going to be referencing when I do mine also, it's been in storage and I haven't had much time to work on it, but we'll get there eventually.
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sm240sx
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Re: HowTo: S14 Walbro fuel pump install

Post by sm240sx »

very useful information!
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dls2200
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Re: HowTo: S14 Walbro fuel pump install

Post by dls2200 »

Awesome cant wait to get started on mine!
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