How to Hardwire Your Fuel Pump With A Relay

Автокөліктер мен көлік құралдары

Hardwiring your fuel pump with a relay and lager gauge wiring is a crucial step in maximizing the output of your fuel pump. I have heard many stories of people with turbo cars running out of fuel due to their stock wiring getting hot and not being able to provide enough current to the fuel pump. This causes your air fuel ratio to lean out... Not Good.
Today I am going to show you exactly how I did this job in my 1993 Honda Civic. This method should work in any car.
Exact Kit I used: amzn.to/46H7WvB
This is an amazon affiliate link. I earn a commission on any purchases made by you on amazon within 24 hours of clicking my link. It costs you nothing. Thank you.
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Пікірлер: 57

  • @802Garage
    @802Garage8 ай бұрын

    Nice work, John. Easy to follow and a necessary mod for any big power car. I have few suggestions or things you didn't mention. First, you should use a bulkhead fitting to go through the top hat. It will have rubber insulation inside to eliminate the chance of the wire ever chaffing and shorting on the fuel pump assembly, plus it creates a vapor seal. You can get them for around $10 if you search fuel cell electrical bulkhead. Your install should be fine, but this is more a tip for anyone reading. Second, make sure wherever you ground the relay that it is touching bare metal. I didn't see if you sanded off the paint where you bolted the connection, but you should ideally have bare metal under the connector itself and on the other side where the nut or washer touches down. If not, it may work at first, but you'll end up with intermittent issue later. Third, this is just a suggestion to increase wiring reliability, especially in the engine bay. Get a set of ratcheting crimpers specifically designed for heat shrink connectors and a box of various connectors. The crimpers work so much better than standard and make reliable connections. The heat shrink insulation with glue adds strain relief and water proofing. Take this all as just adding on to your video of course, not criticism. I have been slowly acquiring lots of wiring tips and tools over time. Gotta spread the knowledge.

  • @macanoon
    @macanoon8 ай бұрын

    I would’ve ran an 8 gauge wire to auxiliary fuse block either in the bay or under the dash. Then send power to the pump from the aux block. This gives you the advantage of having a bunch of extra power sources instead of adding wires to the battery

  • @KimboEK4
    @KimboEK47 ай бұрын

    Great that you made this video because there is not much to find about that topic. Good arguments in the reactions to protect the wires at the fuel pomp. So we can learn from each other. Keep up the good work and still make these kind of video's. Greetz from Belgium and a happy new year 😉

  • @andrewbresee
    @andrewbresee6 ай бұрын

    Dude well done! Extremely helpful!! I searched a few months ago for a video like this and nothing. And then you did it. Thanks again!!

  • @justinstirpe3672
    @justinstirpe36728 ай бұрын

    Casually finally understanding some electrical concepts 2am on a Friday…thanks John😎

  • @ceelos87
    @ceelos878 ай бұрын

    I appreciate you, I’m literally about to start this same process and you posted this video right in time for me to prepare myself

  • @thanosmaganiaris2960
    @thanosmaganiaris29608 ай бұрын

    Thanks for helping us learn lots of useful things by uploading videon of your build. It really helps. keep it going john fr😊❤

  • @crv6711
    @crv67118 ай бұрын

    Very good video as always. Keep up the good work 👍

  • @AndreaDoesYoga
    @AndreaDoesYoga8 ай бұрын

    Great tutorial, it really simplified the process! 👍

  • @jdmnic1
    @jdmnic18 ай бұрын

    You should do these more! Cause I have an eg hatch as well so it helps out!

  • @notone4029
    @notone40298 ай бұрын

    John, your right there are NO good or any videos covering THIS topic. You did an EXCELLENT job on video. Painless Wiring Company ALSO makes an EXCELLENT fuel pump relay kit. It's a great price and works just as good. I Used their brand on my 94 EG hatch for twin Bosch 044's. The DW kit you have John looks really quality as well.

  • @junaidjunu1879
    @junaidjunu18798 ай бұрын

    Well explained. Its always better to have relays running high output components like fuel pumps / cooling fans and ofcourse the vtec solenoid

  • @alomechanthasinh4079
    @alomechanthasinh40794 ай бұрын

    Best tutorial. 🤝🏽

  • @brandoncruz682
    @brandoncruz6828 ай бұрын

    John, good thoughts here. On your next install can you please use rubber grommets when going thru metal to reduce chafing/shorts.

  • @seanwilliams5403
    @seanwilliams54038 ай бұрын

    Great content

  • @Freshjoe785
    @Freshjoe7853 ай бұрын

    Awesome video

  • @yeetplays3421
    @yeetplays34218 ай бұрын

    Hey how did you get the AN fittings on the fuel pump cover?. can you make a video on that I wanna do the same so I can run AN lines from the tank to the front and back. Thx

  • @turbob7437
    @turbob74378 ай бұрын

    Thanks John

  • @myPursesuitOfHappiness
    @myPursesuitOfHappiness8 ай бұрын

    Great video John! LY ❤️

  • @Zollie36
    @Zollie368 ай бұрын

    Well played sir....well played

  • @bigdaddymex2003
    @bigdaddymex2003Ай бұрын

    If you don’t have a trigger signal in case in my case for my 66 VW bug , I can wire a positive lead to a switch to turn off and on power to mimic a trigger signal to the blue wire to activate that relay correct I think I just answered my own question I can. lol 🤔

  • @Alpha-cr5cb
    @Alpha-cr5cb21 күн бұрын

    Check ECU n and look good not burnt or broken

  • @JamesCones-jj4jz
    @JamesCones-jj4jzАй бұрын

    Thanks

  • @Feelgoo49
    @Feelgoo493 ай бұрын

    Thank you joung brother!

  • @DustyLouis-le8kj
    @DustyLouis-le8kjАй бұрын

    I did a k20)24 with a hell cat fuel pump I'm still on factory wiring and my k pro is throwing dtc P0005 I wonder if this kit would fix my issue?

  • @lurice0
    @lurice08 күн бұрын

    @6:44 suppose u had a problem with your oem white green wire, and you wanted to replace all of it instead of tap into the end of it? Where does it come from?

  • @Lsx1320
    @Lsx13204 ай бұрын

    So if I wanted to use this setup on a toggle switch would I just wire the switch on the blue wire?

  • @israelgonzalezjr.6083
    @israelgonzalezjr.60838 күн бұрын

    You think this can help with my issue with my Honda because I change my fuel pump and main relay it didn’t want to turn on I also change my distributor also still doesn’t turn on it only cranks that’s all

  • @isaacayala5937
    @isaacayala59376 ай бұрын

    Nice videos man. No one really have a easy install video for hondas. One question. For the ground coming from the fuel pump connector. Did you just attach it to the assembly that drops in the tank just like how it is stock?

  • @boosted_john

    @boosted_john

    6 ай бұрын

    Nope. The ground wire is for the relay itself. The fuel pump has its own ground inside the hanger.

  • @jadalaspablo3695
    @jadalaspablo36958 ай бұрын

    i have an ep3 so i was wondering if instead of connecting the power wire directly to the pump on the inside of the tank, can i just splice it into the connector on the top of the fuel module? like cut the power in the harness and run it to the wire directly to the pump side of the harness

  • @802Garage

    @802Garage

    8 ай бұрын

    Yes, but then you are relying on the pin in the connector and the final length of skinny wire inside the tank to carry the current. It's usually the connector pin and/or housing that fails from excessive heat under high current loads. Your solution will work and can be reliable, it delivers higher average voltage than the factory wiring, but it can have reliability issues down the road. Look into fuel cell electrical bulkhead fittings.

  • @4door_papi
    @4door_papi4 ай бұрын

    Dont you need to also put a bigger wire to the ground side of pump? Love the video!

  • @typedrew
    @typedrew8 ай бұрын

    You’ve been doing all this without this? Wow

  • @test-547
    @test-547Ай бұрын

    You ran the larger gauge yellow wire all the way to the pump, then connected it to a smaller gauge factory wire anyway before it connects to the pump.

  • @DawenorR
    @DawenorR8 ай бұрын

    Pls build video JOHN! ❤

  • @kearneyalmond1492
    @kearneyalmond14928 ай бұрын

    ❤❤

  • @Alpha-cr5cb
    @Alpha-cr5cb21 күн бұрын

    Still no power to fuel pump git the pump out and tested it ran good

  • @timtrial3971
    @timtrial39712 ай бұрын

    I'm doing this to my toyota. My battery is now close to my fuel pump so my battery cable is much shorter.

  • @flyer116
    @flyer1168 ай бұрын

    Let's goo

  • @patrickpaul4901
    @patrickpaul49018 ай бұрын

    Hi John, I would remove the Amazon link that you provided for the fuel pump relay kit. I followed the link and purchased 2, one for myself and one as a Christmas gift for a friend. The image displayed is exactly what you used in your video, but what shows up in the mail is nothing like what you used in the video. It’s basically a pig tail and a universal pump sock. I went back to the listing after realizing there’s been a mistake and there’s multiple reviews about the false advertisement and not receiving what is pictured. Wish I’d have read it first but this is one time that I just really didn’t think I had to double check since I was following the link you gave us.

  • @boosted_john

    @boosted_john

    8 ай бұрын

    Thank you for the heads up!

  • @patrickpaul4901

    @patrickpaul4901

    8 ай бұрын

    @@boosted_johnyou’re welcome. After messaging the company they admit it was an issue on their end, they apologized and immediately issued a refund since they didn’t have the rewire kit in stock to send me. Customer service was really good.

  • @hackzwiringperformance6902
    @hackzwiringperformance69026 ай бұрын

    RUN A VOLTAGE METTER WHEN RUNNING CAR I CAN GUARANTEE THERE MORE VOLTAGE DROP NOW THEN YOUR STOCK WIRING SINCE YOU EXTENDED WIRES AND TWISTED WIRES TOGETHER THIS WILL LEAD TO VOLTAGE DROP IN HI RPMS

  • @FR11
    @FR118 ай бұрын

    #BLOWNMOTORCLUB

  • @SeerOfVoid
    @SeerOfVoid8 ай бұрын

    Please please PLEASE disconnect that immediately John. The wire running through the fuel pump lid is going to chafe on that metal and short out. This is a HUGE fire hazard! You need to use a grommet or insulated stud for this

  • @boosted_john

    @boosted_john

    8 ай бұрын

    Ok

  • @YungFrank_
    @YungFrank_6 ай бұрын

    I ran a relay and my fuel pressure is 12 when starting the car

  • @boosted_john

    @boosted_john

    6 ай бұрын

    Uhhhhhhh

  • @YungFrank_

    @YungFrank_

    6 ай бұрын

    @@boosted_john when priming the car. I hard wired it in from the positive termal on the battery. Where should I begin tk look?

  • @ALLRealtySolutions
    @ALLRealtySolutions8 ай бұрын

    The correct way is NOT to drill a hole in the cover. The correct way is to remove where the white plug is and put a fitting that the wires go through it into the tank.

  • @boosted_john

    @boosted_john

    8 ай бұрын

    Will look into this

  • @reiestrada9167

    @reiestrada9167

    4 ай бұрын

    Hi @boosted_john, is the fuse a 25amp capacity? Is the relay a 40amp? I wanna create my own, but I'm out of the States, need it for my 97 supercharged 4Runner 😈😉👉

  • @styleispower9385
    @styleispower93858 ай бұрын

    Bruh cmon why would you drill it when you already have the connectors there

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