Thanks Xoom. The unit is in the car & sounds wicked but i knew it would. I've got one of the earlier models of this radio in my Hilux, ( yes I own two Toyotas) & with the six speaker set up in the Corolla it pumps. The harness didn't work out as well as I thought it would, matched Toyota but not Sony. Back to crimping connections, at least all the wires were marked + & -. And you were right about the filler kit, will need one. I'll probably have to order it online as I don't have the luxury of living in a capital city. Any other suggestions apart from Strathfield.