i did some searching on testing the oem parts on the gp760. found the resistance values for the pulser coil. it tested within resistance spec. oem values -445-544 ohms @68 degrees. mine tested 498-510 ohms. i have a 8 pin deutch connector going from the cover to the ebox just to ease engine removal. i tested at the deutch connector and at the connection going into the cdi. its possible theres a short in the wiring indeed. ive removed the flywheel cover to look for that but havent found anything yet. i would think doing the resistence check on the pick up coil would verify if theres a short or not but i could be wrong. also checked the ground wire to make sure its not open anywhere.I had the same when I first installed mine. Did the same test you did and was able to get spark when I hit the "test" button in the software. That lead me to the pickup just like wax said. I found the wiring for the pickup had a small short in it. I replaced the wiring to the pick up from the ebox and bam, I got spark when turning over.
Verify the color coded wires are correct to what’s indicated on the instructions. Another rider I know said borut had used a different color for a few wires because he ran out of the correct colored wire. However I was also having some spark issues a while ago. Winded up being the glass fuse not having a good connection inside the fuse holder. I started using the metri pack mini and I’ve haven’t had an issue sinceyeah thats kind of what im thinking. i just emailed borut. ill see what he has to say