Thread: Racetronix fuel pump rewire question/s

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  1. #1 Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    Hopefully this isn't another lack of sleep moment for me.

    With the rewire kit, does the Racetronix kit completely bypass the stock fuel pump wiring?

    NA dyno: 222whp
    Novi 1000 dyno: 348whp
    Novi 2000 dyno: 372whp Best 1/4 mile: 13.2634@105.12mph
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  2. #2 Re: Racetronix fuel pump rewire question/s 
    GXP Level Member GTPpower's Avatar
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    It bypasses the power supply and ground from the factory. The switch is still factory wiring.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  3. #3 Re: Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    Okay. I've been looking online but I can't find any instructions or a wiring diagram for it. How do you keep the switch tied into it all?
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  4. #4 Re: Racetronix fuel pump rewire question/s 
    Donating Users timboku's Avatar
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    There should be a pigtail on the harnass that you plug the orginal harnass plug into by the pump..power is run from your alternator to the tank iirc for that rewire.
    2002 GTP..DD.. Topswapped Gen V L26, XP cam, Full Size IC, E85, 2.6 Pulley,SD Headers, K&N Intake, N*/Lq4,FP Rewire, TEP Trans, F body Fronts, GXP Rear Brakes, LE Spoiler, AGXs with vogtland springs, bonni gxp rims, Timboku Tuned
    1995 Cutlass Supreme Convertible...Soon to be L32Swapped.....2005 GXP Stock
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  5. #5 Re: Racetronix fuel pump rewire question/s 
    Donating Users timboku's Avatar
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    2002 GTP..DD.. Topswapped Gen V L26, XP cam, Full Size IC, E85, 2.6 Pulley,SD Headers, K&N Intake, N*/Lq4,FP Rewire, TEP Trans, F body Fronts, GXP Rear Brakes, LE Spoiler, AGXs with vogtland springs, bonni gxp rims, Timboku Tuned
    1995 Cutlass Supreme Convertible...Soon to be L32Swapped.....2005 GXP Stock
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  6. #6 Re: Racetronix fuel pump rewire question/s 
    GXP Level Member GTPpower's Avatar
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    Yep. It's all plug and play. Except for the ground. You'll have to drill a hole, scrape pain away, and bolt it to the chassis.


    2001 GTP Drag Car - XPZ, Tischler heads, Upsidedown M90 IC'd, e85, Gen V, 2.3 w/ 5%OD
    2005 F350 6.0 - studded, deleted, tuned
    2001 GTP - cam, headers, nitrous, stock trans - 11.83 @ 116 <$2k in mods - sold
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  7. #7 Re: Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    That's perfect! Thanks guys!
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  8. #8 Re: Racetronix fuel pump rewire question/s 
    GrandPrix Junkie CrazyGuy03's Avatar
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    Why the need for the kit? Can you just run a larger gauge wire to the pump for cheap? And larger ground wire ?
    2003 Buick Regal GSX lots of mods - click here to see latest build - http://www.grandprixforums.net/threa...ld-for-the-gsx

    *For Reference - Does not have a Zack Howard Cam - It's an Intense Stage 3 - Thank You*
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  9. #9 Re: Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    About a year and a half ago I bought a Racetronix pump and wiring kit together from a guy on ClubGP for a good deal. It's just taken me until now to have the time to work on the car. Hope to have it driving soon and back on the dyno within a month or so.
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  10. #10 Re: Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    I appreciate everyone's help so far in this. Wiring isn't exactly my thing, but I've run the wiring and it's to the pump, but I don't understand how the wiring kit allows the factory wiring to be there for the switch. How do you wire the switch to the fuel pump when the wiring kit removes the factory wiring to the fuel pump?
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  11. #11 Re: Racetronix fuel pump rewire question/s 
    Donating Users timboku's Avatar
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    Maybe a pic.of.your harnass? But here is one of.them..I.know they make a few different ones.

    2002 GTP..DD.. Topswapped Gen V L26, XP cam, Full Size IC, E85, 2.6 Pulley,SD Headers, K&N Intake, N*/Lq4,FP Rewire, TEP Trans, F body Fronts, GXP Rear Brakes, LE Spoiler, AGXs with vogtland springs, bonni gxp rims, Timboku Tuned
    1995 Cutlass Supreme Convertible...Soon to be L32Swapped.....2005 GXP Stock
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  12. #12 Re: Racetronix fuel pump rewire question/s 
    I Write E85 Stickies Frosty's Avatar
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    The kit is about as wsimple as it gets. Power wire goes directly on the alt, unplug your fuel pump and plug the racetronics harness in between the pump and your stock harness. Bolt the relay and ground wire to a clean piece of metal.
    "Lets just throw more boost at it and see what happens" -Frosty
    The Defacto Guide to tuning your car for E85. Read it and learn.



    I love Decker<3
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  13. #13 Re: Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    Okay, I realized after I installed everything that I only hooked up the power wire to the fuel pump and not the switch. Unfortunately on 95-99 Monte Carlos, there's no access hatch in the trunk like in 6th gen Montes.

    This is from the factory wiring:


    This is the Racetronix kit hooked up with one plug that I don't know what to do with:
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  14. #14 Re: Racetronix fuel pump rewire question/s 
    Donating Users timboku's Avatar
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    The second picture is the plug you are supposed to plug your factory pump connector into. Since your monte is a gen1.5 not sure if that rewire works as its for 97and up or gen 2s. I was thinking about a rewire for my gen 1 vert which I think is similar to monte set up and could not get an answer if that would work..looks like the stock has 6 pins and harnass has 4...you may have to splice it in somehow.
    2002 GTP..DD.. Topswapped Gen V L26, XP cam, Full Size IC, E85, 2.6 Pulley,SD Headers, K&N Intake, N*/Lq4,FP Rewire, TEP Trans, F body Fronts, GXP Rear Brakes, LE Spoiler, AGXs with vogtland springs, bonni gxp rims, Timboku Tuned
    1995 Cutlass Supreme Convertible...Soon to be L32Swapped.....2005 GXP Stock
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  15. #15 Re: Racetronix fuel pump rewire question/s 
    Donating Users timboku's Avatar
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    You put a 98venturi bucket in correct, so the harnass fit into the top of that pump..I would look at the old pump and trace the wires from that and find out which wires are sending unit, and pump power.
    2002 GTP..DD.. Topswapped Gen V L26, XP cam, Full Size IC, E85, 2.6 Pulley,SD Headers, K&N Intake, N*/Lq4,FP Rewire, TEP Trans, F body Fronts, GXP Rear Brakes, LE Spoiler, AGXs with vogtland springs, bonni gxp rims, Timboku Tuned
    1995 Cutlass Supreme Convertible...Soon to be L32Swapped.....2005 GXP Stock
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  16. #16 Re: Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    The bucket is the stock bucket from the Monte, which is a 98 venturi bucket. It looks like I'm going to have to splice a plug in from a Grand Prix or an Impala then.
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  17. #17 Re: Racetronix fuel pump rewire question/s 
    Donating Users timboku's Avatar
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    Did the racetronics plug fit into.it the montes connector? If so should be same connector if thats the factory bucket..hard to tell in the pic...inthought you put a different bucket in from a previos post cauae the new bucket had evap sensor and your old one didnt.
    2002 GTP..DD.. Topswapped Gen V L26, XP cam, Full Size IC, E85, 2.6 Pulley,SD Headers, K&N Intake, N*/Lq4,FP Rewire, TEP Trans, F body Fronts, GXP Rear Brakes, LE Spoiler, AGXs with vogtland springs, bonni gxp rims, Timboku Tuned
    1995 Cutlass Supreme Convertible...Soon to be L32Swapped.....2005 GXP Stock
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  18. #18 Re: Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    That's a good point that the wiring harness plugged right into the bucket. I'll take another look at it tomorrow. What I did was I bought a hi-flow fuel pump from someone and it was in a bucket and everything but the bucket wasn't compatible with my tank. I'm assuming the bucket that the hi-flow pump came out of went to a plastic tank. So I swapped the fuel pump into my Monte's bucket and it dropped right into the tank.
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  19. #19 Re: Racetronix fuel pump rewire question/s 
    Donating Users timboku's Avatar
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    Cool, cant wait to see the build, I got that novi1000 kit going to put in my 95 vert and was wondering what rewire to run as its a pain to drop the tank lol.
    2002 GTP..DD.. Topswapped Gen V L26, XP cam, Full Size IC, E85, 2.6 Pulley,SD Headers, K&N Intake, N*/Lq4,FP Rewire, TEP Trans, F body Fronts, GXP Rear Brakes, LE Spoiler, AGXs with vogtland springs, bonni gxp rims, Timboku Tuned
    1995 Cutlass Supreme Convertible...Soon to be L32Swapped.....2005 GXP Stock
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  20. #20 Re: Racetronix fuel pump rewire question/s 
    GT Level Member zipper's Avatar
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    It is a big pain to drop this tank and I may break down and cut my own access panel out.

    Anyways, thanks guys for the help. After you started talking about the buckets timboku, it made me realize that I specifically remember the Racetronix rewire kit plugging into both canisters, and if it could do that I was missing some wiring.

    This was sitting on a shelf right next to my Monte:


    Plugged that in and after work today I'll finish it all up and start the car. Word of advice for people: don't start a lot of projects on a car and then not touch it for 6+ months, you'll forget a bit.

    Also timboku, I have a 95 Monte Z34 as a parts car and I decided to check the wiring leading down to the fuel pump. The 95 only has 4 wires where as the 98 has 6. I don't know if that will cause you any problems with the rewire, but I wanted you to know that there is a difference.

    *

    Also, I'm very interested in your project timboku. These Novi superchargers are cool. I'm really excited to see the difference power wise between the Novi 1k and the 2k that's now in my Monte.
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