Can you identify this wire
 

https://cimg7.ibsrv.net/gimg/www.cor...960ce2cf9c.jpg
This wire I just noticed is not connected? Disconnected the battery recently... car runs fine, but has been running HOT. Not sure if it's associated with the cooling fan not running - which will be my next post. Any suggested as to where this should be connected? Thanks!

If you have a tester check to see if it’s a positive or negative lead. If you’re having cooling fan issues- that may be the problem

Thank you! I'll try that - any idea where / what it should be connected to?

after looking closer there’s 2wires connected to 1 terminal. I don’t know much about the C4 but the factory typically doesn’t run wiring that way, so I would look at after market installation parts. It looks to be a positive connection so try your best to trace the wire back to its source.

I'll try that - much appreciated!