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AEM ems with VSS


ZT-R

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Hey guys i am trying to get my AEM s2 to see the VSS. Looking at the wiring diagrams the wires go to the cluster and then only one goes to the ecu. How would i wire this to the aem unit? I also have a speedhut speedo that i will hook up when i get around to it. My understanding is that the cluster modifies the signal. I do have a R34 cluster in my kitchen but I'm not using it (will sell it for 200 bux).

Thanks.

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Ok, we got it. Ground Gray/Red and hook up pin 53 on the ecu to the yellow/red wire (or vise versa as it does not matter.) and then you need to edit the calibration to read the right speed. In AEMTuner, go to sensors, then right click in the white area and go to Show options full list display, then scroll to VSS calibration. I am using 110 currently and its pretty close, but i need to fine tune it later.

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