I have a 2001 Road King and with the low beam on the high beam indicator light dimly flickers. I turn the high beam on and it comes on as normal. I go back to low beam and the indicator light goes out then starts to flicker back on. After about 20 minutes of riding its still on but not as bright. I have halogen head lights and led turn signals and tail light. The head light has been upgraded to the newer style lights before I bought it. What could cause this?