Delta CC not run ??

[overkill]

I have Delta CC radio, i just connect the positive and ground, and light pin. i saw the light is on, but radio did not start. On the back, schematic say have two lines to turn on radio, i connet two lines, it still stop. any one can help me, how to turn on radio ?

[minnie]

If it's a car stereo, 12vdc constant and 12vdc on. Usually the red wire is live and the yellow is switched with the key on position.