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Hi! I’m trying to set up an SR20DET with an ECUMaster EMU Black. Currently, I’m only receiving data on the secondary trigger.
I am using a custom harness that was previously running perfectly on the same engine with an AEM Infinity 506. The CAM sensor has a good 12V supply and a good ground. Both trigger signals show 5V and drop correctly when I spin the CAS by hand.
ECU software, I have tried various settings. Since I’m using an AEM 24-1 trigger wheel, I configured the Primary Trigger to Multitooth, 12 teeth, First Trigger 2, and 60°. The Secondary Trigger is set to one tooth. I have also tested both 820-ohm and 1k-ohm pull-up resistors, but I’m still getting no signal on the Primary Trigger channel.I even ran a completely new overlay harness for the CAS signals directly to the ECU to rule out a wiring issue, but I get the same result.
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