I have a small chicken and a slow cooker with no heat settings...

[LadySnapcase]

How long should I cook if for? Every recipe I've seen says to start it on high then turn it down etc but obviously not an option here...

I would put it in now if you want to eat it around/from 6 tonight. Also you could probably google recipe. I pot roast joints and birds so there is little but liquid who I put in boiling

Just cook it until it's cooked!
In a slow cooker it would take ages to over cook it. The worst that could happen is that it would all fall apart when you take it out of the pot, but it would be yum.

Thanks people... I think I'm a bit wary from when I did one years ago and the bones started to disintegrate