Firewall grommet location on 2010 Ibiza

Aug 10, 2021
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I’m trying to fit a subwoofer in my 2010 Ibiza. I’ve helped a friend fit one into a VW Golf so I kinda know what I’m supposed to be doing, I just can’t do it.
I can’t find where to put the power cables through from the battery. I can’t see any grommet to use or where the bulkhead is going. I currently have the glove box out but nothing more. The bonnet release is on the passenger side if that makes any difference.
Any tips on finding where to put the cable through?
 
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