ECU Fuse Keeps Blowing after Trackday - No CEL - TT

Averying

Sounds like the Crank position sensor is the only wire that visually looks like it could be the culprit. Some more info about that might be good to know.

Where it’s frayed.. how close does it come to a surface that would ground it out? What is it fraying on? How bad is it frayed? Hopefully no exposed wire.


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JimmyK

Hey, thanks again for the reply!

So at the point at which the jacket/heat insulation is melted/burned away, there isn't anything that close by, but it's definitely about 24 inches between the tie-down or stake points so that harness could move.

That said the three cables are not frayed or exposed. I also, while idling, used a gripper tool to grab the insulated portion that wasn't burned away and shake the wire very extensively to see if I can get it to pop the fuse, and I didn't get any short. That said, even though this is not on fuse 50, it's still tied to the ECU so I can figure out what pins it connects to the ECU on and possibly to the IPDM on, and test it. I'll let you know how that goes as soon as I can do the test. Thanks for the suggestion and I'll try to test it is extensively as I can.