Pioneer KEH-P2800 Cassette Player "lost car key backup" Questions

...key everything is lost. Plese help The radio either does not have the yellow power wire connected(constant 12v) or the wire is connected to a switched source and when the key is turned off the radio ...

...Lost my wiring connector that plugs into the back of the deck. There are twelve metal posts in a row, starting left to right (b.reny-acc-fr-fr-fl-fl-b.up-rl-rl-rr-rr) the speaker connection are no ...