This Aprilia headlight dongle is THE solution to the common problem of error messages on your motorcycle’s dash when you disconnect the headlight to take it out on the track. Plug in the dongle after disconnecting your headlight and it will take care of all errors and your dash will function as it should. This is easily reverted back to stock after a day of racing and you can take your bike back on the road with a perfectly functioning headlight and electrical system.