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Luckily it turned out to be a simple crossed wire connection. I switched the pos for the neg. Pulled the 77 connector apart, switched the wires and all is well. Bike started up and nothing seems...

The instructions didn't specify which side should be red and which side should be black, so it is entirely possible I did them backwards. The fuse blows on contact even with the key off and out. ...

What did I break?

I replaced the VR and the 77 connector pins after some other issues. Now the bike won't run or turn on at all. It blows the 30a battery fuse as soon as I touch a new one to the...

Charged battery, good to go. Now hopefully I fixed the other problem I was having too.

06 Uly, 12500 miles, K&N Intake, CIA airbox.

I was troubleshooting another issue when I broke my idle adjust cable. I ordered a new one and installed it today. I reset the TPS, took it up to...

Previously I did the classic breather mod, plugged both holes, ran the tube down the port side into a catch can with a filter. It got rid of the low-speed stutter, which I thought was great. Then I...

Possibly resolved...

I opened up the top to remove the extra grounding cable I'd attached since it hadn't helped anyway (hard start). While I was in there, I pulled the plugs for inspection and...

Yeah, the problem has mutated. I also am considering faulty TPS even though it's not throwing a code.

Overall, it just seems to be running rich. The initial problem seemed like too much fuel for...

I was hoping the problem was magically cured, but not so. Starts fine (hard, but that's an old problem), pops and backfires at low speed when I first start riding, even if I let it warm up 5-10...

Nevermind, found it in the manual. :p

Also, I've looked up some how-tos on using a fuel pressure gauge, but all the videos are on cars. Where would you tap into the Buell to test the fuel pressure?

I pulled the airbox off to see if I had left anything loose when I put in the extra grounding wire. The air sensor felt a little loose, like I hadn't plugged it in all the way. Put all back together...

That did it, thanks much!

Turns out my stock map hasn't modified in the least - so it's not corrupt and I can work on other possible problems.

Thanks again!

Alright, I may see if I have some buddies here who have a gauge I can borrow.

I did some more digging and similar problems in cars and other bikes suggest an intake leak. The thought is that...

The brass fitting might be a go, I tried the foil funnel once and that was an absolute mess. I'm sure I did it wrong.

A few more observations - when the bike is cool, runs great - once hot the...

Physics, brilliant! Thanks for that

Thanks - not looking forward to the petrol bath.

Thanks, any other symptoms? CEL or codes or or erratic behavior?

Riding in this morning, the same problems surfaced. On the bright side, it idles perfectly at startup so the engine warms up easily without me having to coddle it but I have no power in the first...

My goal is to load the EEPROM so I can save the fuel map separately and then load that map into the EEPROM on my bike, following the steps I've seen outlined in several posts.

From ECMSpy, I go to...

I feel like it's fuel related too, not sure if it's supply or gas. I'm going with supply, maybe a short or something loose since the problem randomly started and then randomly went away. I filled...

Thanks for putting these together!

I tried to load the 2006 XB12 EEPROM and I got this weird length error, both for the race and stock.
...

I dug this thread up trying to find out how to load maps and where to find maps to load and try out. I tried the maps from the ecmspy link above. The one Uly map won't load (it's BUEGB and my ECM...

Rode in to work this morning, made a quick stop, then got on and continued down the road. After the stop, ZAGAM (Zombie Apocalypse Get Away Machine), my 06 Uly, started acting like she was pumping...

Thanks, that was the kind of thing I was looking for. My internet search wasn't coming up with much.