1990s Trail Boss 350L Switch Board HELP!!!!

Hi Ya’ll
well here’s my prob my son decided to change out the light / start/kill switch on handlebar and now the front lights are not working right and the starts just fine but half throttle boggs out the only thing he touched was the switch board, god knows i love him but i so wanna put my boot in his tail i really need a snap shoot pic of how and and where the wiring goes to the switch board ,HELP PLEASE !!!

thank ya’ll
so much for the help