Motorcycle Questions? Ask a Mechanic.
Hi and welcome to the site, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.
Initially, if the "...chome handle turn signals..." were purchased online, please post back with a LINK to the product page. Otherwise, post back with clear pictures. Click HERE. Incidentally, are these LED signal lights?
If the lights are dim, then either the voltage supplied to the light is low or there is poor ground connection.
Proposed preliminary checks (if have not been done):