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How did you wire yours in? I’m currently trying to figure this out as the infinity doesn’t have a lot of extra inputs and I want to be able to adjust boost and traction through my BTI dash.

 

I wired in the SOS speed pulse converter and set it up according to their instructions that they send with it. For the AEM 12 position trim knobs, I still haven't taken the time to get these installed. It looks like all you need for each knob is +5v, ground, and a signal wire to an input at the Infinity, but then you have to figure out the settings, which is where I'm really unsure. The only instructions SOS has sent for the trim knobs is this: https://www.aemelectronics.com/files...Trim%20Pot.pdf

 

Wiring is:
1 Red (Supply Voltage 5Vdc +/- .5), 1 Black (Ground), 1 White (Output)

When you go into infinity tuner, go to "wizard" and then "input function assignments" From there under analog input 0-5 tab you will see "modeswitch input setup" and "Traction control sliptarget trim" There are your two options for the trim pot switches. If you are using one for boost and traction control, the you would use both. From there click on either one. For mode switch you will select "modeswitch" as the input and for the traction control you will need to select an analog input. From there you just need to wire it to whichever analog pin you selected.

You can get fancy with it and wire it into the stock cable reel. There is a spare unused pin that would allow for enough pins to use two trim pots. If you use two cruise control housings you can put boost and traction control on the wheel