[OO978]

this may sound like a newbie question, but im totally clueless to where abouts these sub wires may be, are these wires in the boot?

ive got a sedan e90. and ive installed my convertors to my rear speakers, i had to find out the hard way. now im trying to correct it and im finding it abit difficult not know where these sub wires are actaully located at...

i cant find the...

SUB LEFT
Red/White +
Brown/Yellow -

SUB RIGHT
Red/Blue +
Brown/White