Have a 2003, strange problem started happening lately, when I turn the key on sometimes the tail light will not come on (the front running lights come on ok), when I start the bike the tail light may or may not come on, I had replaced both tail light bulbs a few months ago because one had burned out, no problem until this started happening. I have found that when this happens if I turn the key all the way to the right to "parking" the light comes on & if I put it back on "start" it stays on. I installed the heavy duty J-box (Buck box) a few months ago when the voltage regulator was having problems. The brake light has worked perfectly the whole time. Could there be a problem with the ignition switch or a relay buried somewhere? This has caused me to do something we ALL should do before we venture forward on our iron horses, check the lights before we leave wherever we are, running lights, turn signal lights, head light, brake light (tires too). I found out about the tail light one morning on my way to work at 4:45 am (no traffic to speak of yet), it was VERY foggy, I was turning left at a light and a nice lady in a car pulled up next to me and asked me if I knew my tail light was out, she was concerned about my safety because she didn't see me until she was right on top of me, I didn't, I thanked her and immediately pulled into a parking lot after making the turn, sure enough no light, hit the brake & that worked, I decided to go ahead & go to work which was closer than going back home, by the time I got to work (about 10 miles) it was working again, I thought GREAT, I have a short which is usually a bear to find & I'm electrically challenged. Anyway, the "parking" back to "start" on the ignition switch is a work around right now but I'm concerned that will eventually fail too, any words of wisdom?