Battery parasite problem

[sideshowbob]

Hi All,

Something is draining the battery on my 2008 Mazda 5 Sport.

Im pretty sure i have eliminated the battery itself.

I disconnected the negative and put a multimeter across from the neg terminal of the car to the neg terminal of the battery.

With all the doors closed and the ignition of i get a draw of around 500ma which disappears if i take out fuse number 25 from the main fuse box.

(Overhead lights. Map lights, Luggage compartment light, For protection of various circuits)

Any ideas would be greatly appreciated

Cheers

Rob