Totally meant filament! And no, there were double filament bulbs in it when I got it! I will be changing those out and seeing if it works. Thank you!

So I have some stock halogen bulbs in my stock rear turn signals on a 75 gl1000. What I am noticing is that they are not “running lights” like the front turn signals. Also that when the turn signal is turned on the light is not as bright as the front, with only one of the filiments lighting up (the ...