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PLX gauge install

Discussion in 'Performance and Tuning' started by jarhead0313, Nov 15, 2012.

  1. Nov 15, 2012 at 7:15 PM
    #1
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    Portland, OR
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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    So I just got my plx gauges in the mail today and was looking for suggestions on where to get my power from and where to mount the modules in the engine compartment.
     
  2. Nov 15, 2012 at 7:15 PM
    #2
    Casey05Taco

    Casey05Taco Well-Known Member

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  3. Nov 15, 2012 at 7:26 PM
    #3
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
  4. Nov 15, 2012 at 7:38 PM
    #4
    Casey05Taco

    Casey05Taco Well-Known Member

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    ahh ok, just searched and found that so figured id throw it your way. I dont really have an answer, but heres another bump for ya to get some answer.
     
  5. Nov 16, 2012 at 9:26 AM
    #5
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    Is anyone running plx gauges with afr or boost?
     
  6. Nov 18, 2012 at 3:17 PM
    #6
    DOUBLEJTACOMA

    DOUBLEJTACOMA Active Member

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    Jasper, Alberta
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    -Black Halo Projector Headlights with HIDs -Black Billet Grille -Night Shaded Tail Lights -Exhaust (Magnaflow) -URD 2.7L Supercharger (soon, may need help)
    I would also appreciate some info on this. My concern is where to locate the sensor modules. I will be doing an afr gauge and and dm6 obdii. 2 gauges 2 modules.
     
  7. Nov 19, 2012 at 12:21 PM
    #7
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    Portland, OR
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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    It was suggested for me to put my modules under my seat. I was thinking in the engine compartment but that is probably not a good idea because of moisture and dust. So I am in progress of installing under the drivers seat. I was using an add a fuse to power them but I could smell something funny so I have to figure another route. Hate to burn anything up. I might just run it strait to the battery and add a switch...but I hate to do that cause if I forget my battery my go dead.
    Any ideas or suggestions?
     
  8. Nov 19, 2012 at 5:22 PM
    #8
    DOUBLEJTACOMA

    DOUBLEJTACOMA Active Member

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    Jasper, Alberta
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    -Black Halo Projector Headlights with HIDs -Black Billet Grille -Night Shaded Tail Lights -Exhaust (Magnaflow) -URD 2.7L Supercharger (soon, may need help)
    I think add a fuse would be the way to go. One thing I'm considering is having them being hooked up to the driving light circuit, so that I would be able to have them on only when I wanted. I have a pretty short commute to work and I have a feeling these gauges have a somewhat lengthy boot time (if they are anything like my Kenwood headunit). Maybe not want to power then up just to power then down all the time. Maybe this will work for you as I believe that circuit gets cut when the key is removed. My driving lights do for sure
     
  9. Nov 19, 2012 at 7:49 PM
    #9
    Dave M

    Dave M Well-Known Member

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    Supercharger Sunroof Leather Seats TRD Exhaust TRD Short throw Shifter
    Hey fellas,

    So I installed my gauges (dm-6, dm-100, obd II module, A/F module, Boost module), completely, only to find that mine were DOA. I'll do a real write up when I re-install this weekend. Here's the quick version.

    I ran my modules under the driver's seat. The reason is that the only wires that went through my firewall and into the engine bay were the wideband sensor and 1/8" vacuum line. I pulled power from all 3 modules by using an add-a-circuit on the 15 amp ignition circuit. I put a 15 amp fuse on the new circuit since I was running 3 modules (5 amps each). I ran the power wires through the center console and under the seat. My ground was done under the seat as well. I ran my grey wire on my A/F (the narrow-band feed) to the ecu through the center console, under the passenger side carpet, and down the passenger trim to splice into the ECU. If you need the pinout for the 2012, let me know and I'll get it to you. I'll post up once I do my real write up.
     
  10. Nov 19, 2012 at 9:41 PM
    #10
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    Pic please of your add a circut config
     
  11. Nov 19, 2012 at 10:06 PM
    #11
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    Portland, OR
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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    What would be the benifit of running the wire to the ECU?
     
  12. Nov 20, 2012 at 4:45 PM
    #12
    Dave M

    Dave M Well-Known Member

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    Supercharger Sunroof Leather Seats TRD Exhaust TRD Short throw Shifter
    See pics:

    View at the fuse box, notice the add a circuit in the top left
    [​IMG]

    Add a circuit removed.
    [​IMG]

    The grey wire gives a narrowband feed from the new sensor to the ECU, which means the ECU still functions like normal, no check engine codes or strange running conditions.

    My gauges came back from PLX today. The following was done:

    Reflash of the DM-100 module firmware
    Replacement of DM-6 Screen
    Replacement of Vac-Boost Module
    A/F module: No change

    I'll be installing them again this weekend. I'll make sure I document it and I'll do a write-up for you guys.
     
  13. Nov 20, 2012 at 5:44 PM
    #13
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    Portland, OR
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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    Thanks for the pics. Quick question...did you just splice all three power wires onto the add a circuit without individual 5 amp fuses?
     
  14. Nov 20, 2012 at 5:50 PM
    #14
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    I see why you needed to do the wire to the ecu, I have dtlt headers witch have an extra bung in each long tube for wideband, so I don't need to run the wire to my ecu...I was confunsed on that one(happens often)
    Thanks for the help, I will wire it all up tonight , tommorw off to get a dyno.
     
  15. Nov 20, 2012 at 5:53 PM
    #15
    Dave M

    Dave M Well-Known Member

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    Supercharger Sunroof Leather Seats TRD Exhaust TRD Short throw Shifter
    Yes, I spliced the three together without individual fuses, probably not the most correct way to do it, but 3 separate fuse holders would be a pain in the ass.

    I read somewhere that you could power up to 3 modules off the same power source. Just an FYI.
     
  16. Nov 20, 2012 at 6:03 PM
    #16
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    Thanks Dave,
    Install tonight, just hope my boost gauge not working was a error on my configuration.
     
  17. Nov 20, 2012 at 6:17 PM
    #17
    Dave M

    Dave M Well-Known Member

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    Supercharger Sunroof Leather Seats TRD Exhaust TRD Short throw Shifter
    Me too man, mine was replaced due to bad readings being sent. Even if it powers up, make sure that the numbers it displays are realistic, I want to say mine was showing like 14 psi vacuum at idle or something. Good luck! I'm watching your thread for the new dyno numbers.
     
  18. Nov 21, 2012 at 5:14 PM
    #18
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    152
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    Portland, OR
    Vehicle:
    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    So I got it all in last night. Looks like my configuration was wrong before. This time it worked just fine! Thanks Dave for all your help. On a side note I ended up having to run a ground to my battery because I couldn't get it to ground properly in the cab. I would be driving and they would lose the connection with the modules... all better now.

    20121121_035715.jpg
    20121121_035859.jpg
    20121121_055113.jpg
    20121121_055147.jpg
     
  19. Nov 24, 2012 at 5:02 PM
    #19
    Dave M

    Dave M Well-Known Member

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    12 S/C AC TRD Off-Road 4x4
    Supercharger Sunroof Leather Seats TRD Exhaust TRD Short throw Shifter
    I was able to ground mine to the cab, but I sanded a patch down to bare metal and secured with a sheet metal screw and washer.

    I started my install, but I need to clean it up next time I go out to my storage unit. Will post info.

    Pro-tip: if you have to run the A/F sensor cable through the firewall, remove the pins from the plastic connector, it makes running that cable 100x easier. I did it with a couple of bent staples.
     
  20. Nov 26, 2012 at 7:10 PM
    #20
    jarhead0313

    jarhead0313 [OP] Well-Known Member

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    152
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    Portland, OR
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    2012 TRD Sport 4X4
    TRD Supercharger,URD SC pulley,NST crank lite pulley, URD tcai, DTLT Headers,URD y-pipe,fpr mod,TRD Cat Back,URD fuel pump upgrade
    Dave,
    Post up some pics!
     
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