I never ever got around to connecting it up
Still have the cable and terminal crimps that I got for it here if they are any good to you ?
I'd be cautious if I had a lot of electrical drain in my car.
Alarms, big sound systems etc
But mines been fine(no radio)
I just used 4 gauge from Maplin and made it all from scratch as its all I could get hold of - was worried it wouldn't be thick enough but its been spot on