2008 Yamaha XT 660 Z Tenere "tail light" Questions

no tail lights or instrument lights on yam vmax 600 sx I have no tail lights or instrument lights on my vmax 600 sx but I do have my headlights. I just had some carb work done and I am wondering what ...

...battery good driviling blows once the fuse blue and once the tail light poppoed Help help it just kepps blowing......????? sounds like the voltage regulator but check battery terminals are tight ...