Does anyone know if the original rev3/4 sub power wiring is part of the loom on the rev5?

I was hoping to fit a basic small amp/sub:
http://www.pioneer.eu/eur/products/25/1 ... index.html

behind the passenger seat, i am wonder if there is a sufficient live in the loom beside passenger seat belt, or will i have to bring in a new one from the battery.


Tony