I have a 2015 900 trail that is starting to have electrical gremlins. It started out as one single led on the passenger side tail light staying on but very dim for several minutes after the key is off. Now half the taillight leds are out and the problem is spreading to the led under the dash and the led in the headlight switch. They stay on but are very dim. When I flip the headlight switch the lights go out. Could it be a bad relay? Haven’t yet started to troubleshoot and I’m looking for a place to start.