For these speakers, 0 = - = black , connect to terminal 1 on speaker, 8ohm = + = red, connect to terminal 2 on speaker.
Removing the 2 to T jumper disconnects the tweeter for use with an external accessory tweeter or to allow bi-amping, in which case you connect both 0 = - = black to terminal 1.
Removing the 2 to T jumper disconnects the tweeter for use with an external accessory tweeter or to allow bi-amping, in which case you connect both 0 = - = black to terminal 1.