If it is original yes, you need to run another wire back to power the
speakers on any real stereo.

YMMV,

Mr. BZ- monoural r us?
On Jul 13, 2011, at 8:17 PM, HotelWestfalia wrote:

> Hi to all,
>
> I am connecting speaker wires to the plugs.  RF and LF both have two
> wires.  Simple.  But the set going to the rear are only three wires;
> Red, Blue, Gray.  I assume, one of them belongs to both speakers.
> I have the feeling some of you know this.
> Best wishes,
> Zoltan