My 78' KZ 650. Wondering how difficult it would be to wire in turning signals? The build didn't come with them :/

https://i.redd.it/bxqkgi9wubq11.jpg via /r/CafeRacers https://www.reddit.com/r/CafeRacers/comments/9lkgae/my_78_kz_650_wondering_how_difficult_it_would_be/?utm_source=ifttt