Honda cb500 1994 temp. Gauge, and oil indicator does not work?

Hey guys just got my first honda and of course it's great and im loving it, but i have a small issue with the temp gauge. It seems not to work, even when the fan turns on it does not seem to even get up from the bottom. So any ideas what and where i should try fixing?
One more thing is that the oil indicator does not light up at the start, any ideas why? The lamp is ok I've checked it already

Read more: Honda cb500 1994 temp. Gauge, and oil indicator does not work?