I have a 2007 Sportster 883 that was running perfect one day then the next time I started it the check engine light came on and it won't rev up. I can get it to rev up if I twist the throttle really slow. I got the codes and they are:
P0107 MAP Sensor open/low
P0122 TP Sensor open/low
P0502 VSS high/open

I'm looking for some info on wiring schematics, I would like to test powers and grounds. This bike has sat a lot only has 70 miles on it, yes that is correct. The fuel is new and the bike has been started monthly the previous owner just never rode it. I'm an automotive tech so I'm hoping that it is a connections problem, just need to findout what wires are what.

Calvin