Was 18°C when I went out for a ride after work yesterday.

This issue i have is the other day the bike wouldn't start, no light, no dash on key turn. Sounds like a battery ground maybe. Then i just scratched my head for a bit, tried it again and it worked. Then on the highway a few days later it cuts out momentarily, and kicks back in (jump starts itself). The dash went through the startup sequence. I didn't think the battery needs to be connected to run, so to me that would rule out a battery issue. I have raised the handle bars, so maybe there's a strain on the cable from the key ignition to something? Input appreciated. Thanks