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Top 2GNT Technical Turbo/Nitrous Tech topic #33991
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Subject: "fuel pump rewire questions...corbin etc" Previous topic | Next topic
pn0ymahalNov-06-02 02:44 PM
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#33991, "fuel pump rewire questions...corbin etc"




          

i got everything on corbins site for the fuel pump rewire. but on the relay it has 4 terminal things 86,87,85,30. i got where to hook up the 8-12gauge wire, and just to make sure the ground wire on the stock pump goes to 85 on the relay. right?... ok, now for 30 and 86, i know there is two ground on the top nuts ( one for relay, and other for aux fuel pump right?). and those two ends connect to the aux pump under the car right?.. just need to find out what to put on 86 and 30.. jamesman did my fuel setup since i did not know sh*t back then.. so just trying to remember what to do...
oh yah, just wondering can i solder ( well ) 10 gauge wire for the power, or should i just use a butt connector?.
thanks


Michael 99gs
HRC Stage 2
Stage 3 process begins anyone got a 420a block thats not spun/head for sale?

http://www.dreamwater.net/purplebeast

Michael
99gs hrc stage 5000 SOLD...
2004 Honda Accord V6 (240 hp)stock
what other car should i buy?? hmmm
Car info & pictures at http://www.cardomain.com/memberpage/520269

  

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TeamXtremeRSNov-06-02 05:03 PM
Member since May 20th 2003
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#33992, "RE: fuel pump rewire questions...corbin etc"
In response to Reply # 0


          

basically you can use stock pump wiring to activate the relay. Pins 85 and 86 are reversable, so its not very important on those which does which. You need to have a negative ground signal on either 85 or 86, and then the black/blue positive wire at the stock pump needs to tap onto pin 85 or 86, which ever is left over. The rest goes like this..

85- ground
86-black blue wire at stock pump
87- + 12 volt feed fused at the battery
30-+12 volt output to the new high flow fuel pump.

I believe for grounds, i used a good chassis ground point, not the stock fuel pump ground wire. A good clean ground is very important..


13.5 @108 MPH-2.2 60ft(stupid FWD!)
S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential
fuel injection)

My webpage: http://eclipsed4evr.home.comcast.net
-1998 Mitsubishi Eclipse RS-T- "Toy"
-1992 Plymouth Laser Turbo AWD(SOLD)
-2000 Honda CR-V(daily)

  

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mcgyvrNov-07-02 12:47 AM
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#33993, "RE: fuel pump rewire questions...corbin etc"
In response to Reply # 1


          

and I solder my butt connectors, even though its supposed to be a solid crimped connection, I still fill the metal sleeve with solder after I crimp it, dont rely on just the crimped connection, plus you want the least voltage drop possible and crimped connections add resistance to the circuit if a total/solid connection is not established

1998 dodge avenger 4 cyl AT
Mods are:
Not enough

  

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ModeratorCorbinNov-07-02 03:44 AM
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#33994, "RE: fuel pump rewire questions...corbin etc"
In response to Reply # 2


          

Here's a second for the crimp + solder connection. That gives you the best of both worlds. You get strength from the crimp connection and low voltage drop/corrosion resistance from the solder. I always hook up important, high power connections like this.

Corbin

'95 ESI-T
HRC+FMIC+ETC...



Gimme fuel...Gimme fire...Gimme that which I desire


Corbin
'97 GSX dressed like a '95 ESi

  

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pn0ymahalNov-07-02 04:59 PM
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#33995, "RE: fuel pump rewire questions...corbin etc"
In response to Reply # 3




          

so i just tap the stock pump wire of power and connect that to 86, then tap the stock pump ground and run that to 85? or do i run a wire from 85 to a ground?. and 30 is going to the hrc aux pump, and 87 goes to the battery?
cool


Michael 99gs
HRC Stage 2
Stage 3 process begins anyone got a 420a block thats not spun/head for sale?

http://www.dreamwater.net/purplebeast

Michael
99gs hrc stage 5000 SOLD...
2004 Honda Accord V6 (240 hp)stock
what other car should i buy?? hmmm
Car info & pictures at http://www.cardomain.com/memberpage/520269

  

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TeamXtremeRSNov-08-02 08:54 AM
Member since May 20th 2003
6329 posts,
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#33996, "RE: fuel pump rewire questions...corbin etc"
In response to Reply # 4


          

>so i just tap the stock pump wire of power and connect that
>to 86, then tap the stock pump ground and run that to 85? or
>do i run a wire from 85 to a ground?. and 30 is going to the
>hrc aux pump, and 87 goes to the battery?
>cool
>
>


Yeah you can do it like that. That should work just fine. Just dont use the stock pump ground wire as the inline pump's ground wire. Use a good chassis ground.


13.5 @108 MPH-2.2 60ft(stupid FWD!)
S16G @ 18 PSI/FMIC/Running on MegaSquirt II (Now with sequential
fuel injection)

My webpage: http://eclipsed4evr.home.comcast.net
-1998 Mitsubishi Eclipse RS-T- "Toy"
-1992 Plymouth Laser Turbo AWD(SOLD)
-2000 Honda CR-V(daily)

  

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