For RCA, connect the shield and - together only on one end. Usually on the source.
On the far end leave the shield unconnected, and connect the - to the outer RCA shell and the + to the center pin.
It helps if you mark them before assembling. :)
On the far end leave the shield unconnected, and connect the - to the outer RCA shell and the + to the center pin.
It helps if you mark them before assembling. :)