How to install an AIM MXL2 - Supplemental

Discussion in 'How To Forum' started by j3st3r, Dec 25, 2016.

  1. j3st3r

    j3st3r Brian S.

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    Installed my MXL2 setup today in my 2013 Mustang, and wanted to do this write, really, as a supplement to what Black Boss had already done in his topic linked below.
    https://trackmustangsonline.com/index.php?topic=9109.msg132436#msg132436

    Like Nick, I had already installed the Ford Racing steering wheel and Sparco adapter so the clock spring and air bag were gone and not an issue

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    I used the Watson bracket (part # WR-AIMBRKT) and the MXL2 template on the AIM website(http://www.aim-sportline.com/download/doc/eng/mxl2/MXL2_installation_template.pdf) to mock up the placement of everything
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    I took Nick(Black Boss) advice and contacted Peter Krause(http://www.peterkrause.net/Krause_%26_Associates_LLC/Welcome.html)....and have to say, VERY happy I did. Peter, at least in my opinion has customer service down! We spoke on the phone about what configuration options I wanted, redline, tracks, and sensors. Peter took it from there, had everything configured that day, and had it shipped out. I got everything in 2 days! Peter also followed up with emails, and instuctions on what to do, how to do it, as well as provided complete documentation, included hand written instructions and guidelines.

    My setup is a little different than the one in the link above. I did not go with the Smarty Cam, and am not running any external gauges. I did however go with 3 additional sensors: Oil Pressure, Oil Temp, and Brake Pressure. These will feed directly into the MXL2, and Peter provided the sensors, all the cabling, and setup/configured the MXL2 channels and configurations before I even got it.


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    Test mounted up the MXL2 onto the Watson bracket with the spacers, and hardware provided by Watson
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    The one thing I am not quite sure I understand, and have seen this on other posts, is why the Watson bracket always seems to need to be modified to accept the AIM dash, this bracket is supposed to be for the AIM dash, not sure if the design is for the older units or what. Anyway, mine was no different, the wiring harness will not clear the bracket so it had to be modified slightly to allow it to clear

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    I used the only tools I had to make the fix, which was a dremel and some paint
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    Mounted the MXL2 to the modified bracket, with the spacers, and hardware provided by Watson
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    It was then time for the wiring, here are the connections I would be making:

    [table]
    [tr]
    [td]MXL2[/td]
    [td]Sensor/Vehicle[/td]
    [/tr]
    [tr]
    [td]GPS[/td]
    [td]GPS08 Module(Sensor)[/td]
    [/tr]
    [tr]
    [td]CAN+[/td]
    [td]OBDII(Vehicle)[/td]
    [/tr]
    [tr]
    [td]CAN-[/td]
    [td]OBDII(Vehicle)[/td]
    [/tr]
    [tr]
    [td]+12V[/td]
    [td]Ignition Power On(Vehicle)[/td]
    [/tr]
    [tr]
    [td]Ground[/td]
    [td]Chassis(Vehicle)[/td]
    [/tr]
    [tr]
    [td]Ch1[/td]
    [td]Oil Pressure(Sensor teed into vehicle oil line)[/td]
    [/tr]
    [tr]
    [td]Ch2[/td]
    [td]Oil Temp(Sensor teed into vehicle oil line)[/td]
    [/tr]
    [tr]
    [td]Ch3[/td]
    [td]Brake Pressure(Sensor teed into hydraulic line near master cylinder)[/td]
    [/tr]

    [/table]

    I first added male spade connectors to the ends of the MXL2 wiring for CAN+, CAN-, +12V, and GND
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    Then made up some extension wires, with female spade connectors that I would use for connections to the MXL2 from OBDII(CAN+ & CAN-), +12V, and GND
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    I created a OBDII pigtail with an OBDII splitter that I had
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    I cut one of the connectors off to gain access to the wires
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    I simply did continuity checks on the wires to find the ones attached to Pin 6(CAN+) and Pin 14(CAN-), and then soldered on pigtail wires I made up(Orange wire is to CAN+, and Black wire is to CAN-). I then slide the wiring back into the jacketing I had stripped away, and then taped it all up
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    How to install an AIM MXL2 - Supplemental


    Took my ground wire pigtail and installed it in vehicle. Found a good ground in the drivers side kick panel by the hood release
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    Then found +12 Ignition Switch On at the steering column harness, not sure which pin this is(Red with Green Stripe) , but it was 2nd from the left as shown in the pictures below. Soldered my pigtail into this wire, then taped it up and plugged the connector back into steering column
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    How to install an AIM MXL2 - Supplemental
    How to install an AIM MXL2 - Supplemental
    [​IMG]
    How to install an AIM MXL2 - Supplemental

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    Time for a test, plugged in MXL2 wiring harness, GPS sensor, and the 4 pigtail connections
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    Success!
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    Routed all wires, and mounted everything securely
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    this time I also attached my sensor extension cables as I will have to route these to the engine compartment tomorrow
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    Ran a couple more tests now that it was buttoned up, and explored the features and tracks!
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    12/26
    Today I was able to get all of the sensor wires, GPS, and USB wires routed. Per a comment from Drew, installed the GPS module, center of the dash close to the front edge using adhesive backed velcor. I was able to get the cable snaked down the front side of the dash and out of sight


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    Ran the excess GPS cable down the side of the dash, and zip tied it up
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    Routed the sensor wires to the engine bay through the sound tube port. My sound tube is long gone, so added a grommet to the block cap and ran the wires through it
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    Routed the USB cable under the center console and into the center storage area. I have it coiled up behind the plastic cover
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    I am now just waiting for the oil sandwich plate to run the sensors into
     
  2. ArizonaBOSS

    ArizonaBOSS Because racecar. Moderator

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    For the antenna, I used adhesive-backed velcro and velcro'ed it to the dash at the base of the windshield, right near where the ambient light sensor is in the center.
    Caveat--my defroster venting is all removed.
     
  3. j3st3r

    j3st3r Brian S.

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    Thanks for the help, I got it installed in that location on the dash. Thanks for the config file too, I played around with different settings for a few hours
     
  4. j3st3r

    j3st3r Brian S.

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    Got the Oil Pressure, and Oil Temp wired up and running today!


    I went the sandwich plate route from Prosport
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    Installed the temp and oil pressure sensors
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    Installed the sandwich plate
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    Split loomed and taped the wiring harnesses
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    Zero issues with filter, fitment, or sensors
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    Routed the loomed wiring harnesses in factory connector on shock tower
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    Success!
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    Now just need to figure out brake pressure
     
  5. cholmes1

    cholmes1 Charles

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    Excellent write up! Curious if anyone has installed the AIM system with the OEM steering wheel with air bag?

    UPDATE

    I received this from Watson Racing from the AIM MXL2

    “Hi Charles,

    Our bracket and the AIM head unit are designed to work with a race wheel, I don’t think there is enough clearance to work behind a stock steering wheel.

    John Phillips

    WATSON RACING “

    Likely the best option if the OEM wheel remains.

    http://www.aim-sportline.com/en/products/mxs-1.2-strada/index.htm

    OR

    create a custom bracket, based on the Watson design, that has a fold back about 3/4” over the column housing.
     
    Last edited: Oct 1, 2018

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