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2LO Plug & Play Harness Discussion

Discussion in '3rd Gen. Tacomas (2016+)' started by lapoltba, Feb 7, 2019.

  1. Feb 7, 2019 at 4:54 PM
    #1
    lapoltba

    lapoltba [OP] Well-Known Member

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    Come one, come all....

    This thread is to start the discussion about creating the plug and play harness. There are some design considerations that I would like to get some feedback on from those of you interested.

    I wanted to add a big thanks to @BigWhiteTRD for his work in developing this mod, and everyone else that helped get this working. The mod is documented in the thread below if you want more information on what it is and how it works. There is a ton of good information in there, including the diagrams to do this yourself if you don't want to wait for a harness.

    https://www.tacomaworld.com/threads/lock-stock-and-2wheel-low-3rd-gen-diy-mod.536677/

    Price is TBD once I settle on design and get pricing. I will not give a firm price yet. To give everyone a rough idea, The connectors alone are $30, Resistor and relay are another $15, a PCB for the relays another $15-$20 (includes associated interconnects), and wire another $5 so that is ~$70. I will also need to add labor for crimping and assembly which I estimate to be around 2 hours (cost TBD). Im still actively working on the PCB and BOM for all the components and will update as soon as I have everything figured out. *Edit* - See below regarding relay PCB

    I will be making an initial batch of 20 of these and the following people have expressed interest. If you would like to be added to the list please send me a PM.

    1) @Shellshock
    2) @tonered
    3) @2016trdtacoma
    4) @Reluctanse
    5) @Mikeybuck
    6) @BigWhiteTRD
    7) @MOC221_
    8) @M1Awolf
    9) @flyinsquirel
    10) @02Duck
    11) @bigwill837
    12) @oconnor
    13) @nevadabugle
    14) @Jerrfylube
    15) @perkj
    16) @RedBeard1
    17) @mtip
    18) @Cav_BluTRD
    19) @TeecoTaco
    20) @Toki


    Round 2
    1) @Flash1034
    2) @woodsbuggy3
    3) @ian rogers
    4) @Sociopenguin
    5) @NotAJeep
    6) @MitchK
    7) @fredgoodsell
    8) @walterj
    9) @Comb
    10) @PB FAB
    11) @Portlandia
    12) @dutsmiller
    13) @aliu6294
    14) @Slick_16S
    15) @Vonhetzer
    16) @Taco16LB
    17) @offgrid taco
    18) @RushT
    19) @Jibbs
    20) @Dan's TRD
    21) @Steelhead Taco


    Questions:
    1. Do you want truly plug and play (With everything included), or just a bare bones harness? - Seems like 100% P&P is the consensus so far.

    2. I do not want to use the giant ice cube relays from Amazon. I am currently designing a PCB to house 2 smaller relays. Does this sound like a good plan? This is going to be too costly. I am just going to use an ice cube relay (4PDT) and solder the terminals to eliminate the large terminal block. All the relay wires will go to a molex plug for ease of installation and assembly.

    3. If people like the aironboard.com switches, I can plan accordingly. Annoyingly, I cannot get the connector pigtail for their switch, unless someone has a source. I do not think i will include the switch due to personal preference. I will likely make provisions for easily wiring in whatever switch you want to use. I plan to include (tentatively) the switch below. It is the oem style one sized to fit in the open slots below the HVAC controls. There is also the larger style to fit in an open slot to the left of the steering wheel.

    https://www.aironboard.com/online/p...oyota-oem-replacement-2wd-low-range-blue.html

    Aironboard.com New Blue:
    MVIMG_20190211_201303.jpg

    Aironboard.com Blue:
    MVIMG_20190211_201249.jpg
     
    Last edited: Feb 14, 2019 at 5:06 AM
  2. Feb 7, 2019 at 4:56 PM
    #2
    Skydvrr

    Skydvrr Well-Known Member

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    I like this idea
     
  3. Feb 7, 2019 at 4:56 PM
    #3
    TeecoTaco

    TeecoTaco Well-Known Member

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    Modified the level of gas in the tank
    Sub'd

    Edit: plug and play all the way to a switch preferred.

    And titanium, I'm kinda partial to Ti. If not possible, then I'll mainstream it.
     
    Last edited: Feb 7, 2019
    tonered and lapoltba [OP] like this.
  4. Feb 7, 2019 at 5:12 PM
    #4
    Shellshock

    Shellshock Guy who drives a lot

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    1) fully plug and play preferred
    2) sounds good to me
    3) I’d say don’t include switch, people will likely put them in diff places or want something special for a switch. Just include plenty of length of wire

    Idk about everyone else but personally I’m more than willing to pay more for a clean professional product.
     
    TeecoTaco, 02Duck and lapoltba [OP] like this.
  5. Feb 7, 2019 at 5:12 PM
    #5
    M1Awolf

    M1Awolf Well-Known Member

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    I would like a truly plug and play with a switch option,having a switch that fit one of the factory openings would be ideal.
     
    TeecoTaco likes this.
  6. Feb 7, 2019 at 5:14 PM
    #6
    M1Awolf

    M1Awolf Well-Known Member

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    Less chance of getting a wire crossed as well....
     
    Shellshock likes this.
  7. Feb 7, 2019 at 5:16 PM
    #7
    lapoltba

    lapoltba [OP] Well-Known Member

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  8. Feb 7, 2019 at 5:23 PM
    #8
    Shellshock

    Shellshock Guy who drives a lot

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    Well how about that, I didn’t realize there was actually one out there that said 2wd low. I’d be down for that included if others are. My only opening available is below the hvac controls
     
    02Duck and TeecoTaco like this.
  9. Feb 7, 2019 at 5:24 PM
    #9
    M1Awolf

    M1Awolf Well-Known Member

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    TeecoTaco likes this.
  10. Feb 7, 2019 at 5:25 PM
    #10
    lapoltba

    lapoltba [OP] Well-Known Member

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    Yes it does, and I would solder/terminate it appropriately. I wasn't going to mention it, but it is available in different colors. The only reason I wouldn't include it was if a significant number of people couldn't agree on which color configuration.
     
    TeecoTaco likes this.
  11. Feb 7, 2019 at 5:30 PM
    #11
    Joe23

    Joe23 Technically, alcohol is a solution

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    Check build thread
    I'm interested depending on price

    I would prefer completely plug and play
    I can source switch
     
  12. Feb 7, 2019 at 5:31 PM
    #12
    M1Awolf

    M1Awolf Well-Known Member

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    I suspect you could order however many you needed for each color after everyone picks their color preference and has made payment/deposit.
     
  13. Feb 7, 2019 at 5:38 PM
    #13
    lapoltba

    lapoltba [OP] Well-Known Member

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    Price is TBD once I settle on design and get pricing. I will not give a firm price yet, but I am confident it can be done for under $100. It should be possible to do it for under $75.
     
    Joe23, Shellshock and M1Awolf like this.
  14. Feb 7, 2019 at 5:44 PM
    #14
    M1Awolf

    M1Awolf Well-Known Member

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    Sounds very reasonable for price,just make sure not to underestimate the time you will have involved in not only production but shipping as well.
     
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  15. Feb 7, 2019 at 5:45 PM
    #15
    lapoltba

    lapoltba [OP] Well-Known Member

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    Yep definitely TBD. I do not have pricing for the connector crimping/assembly yet and the 2+ hr labor for that is the biggest unknown. I won't be getting a price this week, but I should be able to have something in the next 2 weeks.
     
  16. Feb 7, 2019 at 5:51 PM
    #16
    M1Awolf

    M1Awolf Well-Known Member

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    No worries on my part,it takes time to get things right;)
     
  17. Feb 7, 2019 at 5:55 PM
    #17
    OnlyTaco

    OnlyTaco Well-Known Member

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    PnP all the way, with the optional switch for the center console. Keep up the good work. I'm looking forward to this.
     
  18. Feb 7, 2019 at 5:55 PM
    #18
    Cav_BluTRD

    Cav_BluTRD Well-Known Member

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  19. Feb 7, 2019 at 5:55 PM
    #19
    lapoltba

    lapoltba [OP] Well-Known Member

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    Titanium is definitely one of my favorite metals. It's an absolute bitch to machine but god damn it's amazing.

    The wife and I are both pretty rough on jewelry. She works outside in environmental conservation, and I'm a controls engineer. If I had a normal wedding band it would be destroyed in hours.

    We have titanium bands with copper and silver inlay. Had 'em for a year and they still look new.
     
    TeecoTaco likes this.
  20. Feb 7, 2019 at 5:58 PM
    #20
    TeecoTaco

    TeecoTaco Well-Known Member

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    Nice...had I caught on earlier would have done same for wife and I...one day ill show ya my shift knob! Ti
     

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