Stereo removal and install '77 450SLC

1)pull the control knobs off the stereo 2)remove the retaining nuts and washers 3)slide the stereo forward and disengage the electrical connections and the antenna 4)remove the stereo assembly 5)installation is reverse of removal

P.S. remove the retaining plates.

if its a Becker Mexico there's going to be an amplifier module aswell, which will need to be found as the connector from the deck is on it, not on the deck. on my 6.9 the amplifier was found under the glove box, don't know if its meant to be there though.