Hi Folks if you have ever experienced a hot black lead from Alternator to fuse box or even melting of fuse box, chances are that you have the common poor resistance issue found across most of the VAG range of cars.
This could start life by a loose connection between crimp and battery terminal that will start a poor resistance which you may be lucky and can just clean the crud and wire brush the connector tighten up and all ok.
Then if left loose too long or not noticed will then progress to po