I have a question about my electrical system. It didn't look like it applied to electronic toys and such, so I am putting it in General. I went for a ride 3 weeks ago and put bike away, a 2008 SEUC3, and ignition was turned off. About a week later I put it on battery tender because I wasn't riding it very often. I went out to go for a ride a week later, the battery tender had a green light indicating the battery was charged. Turned on ignition and green neutral light came on with red oil light on dash, no cycling or fuel pump charging the injector, nothing...dead as a hammer. Battery looked good, did not check with meter. Checked fuses etc, and finally after checking everything I could think of, had Harley come and get it to have it fixed. In the shop the battery only had 5 volts and I know that was problem with it not starting. They did a draw test on it running and not running. Everything was in limits. I had them keep it over weekend and a few days after, Total 8 days and it started everytime. Finally brought it home and everything is fine. So Far. I asked if something could have gotten stuck. They tested the siren battery but it was still good and charged. This could drain battery if the siren battery is bad but it tested good also. So my question is: What else could have happened or is going bad to cause this? Any input will be appreciated.
Thanks
DJ