It is Heavy duty battery,labeled

Ok, but what brand is it, and ideally where did you buy it? 

Hello,my Audi A3 TDI 2002 ,Has Wiring Faults,Far as I see, Fuses OK! When starting car , Goes Very Hard & Poorly Turned Over.could this be Earth?

Thanks Ranabir, but I await your answer before offering any additional advice. 

Morning,have replied,what else do you need.

11 minutes ago, Ranabir said:

Morning,have replied,what else do you need.

You have not answered the question, which was " what brand is it, and ideally where did you buy it?"

Edited January 5, 20251 yr by cliffcoggin
omission