How to mend Delco Electronics Cdr 500

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Wiring diagram for 12 volts and speakers?

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what is worng with my cdr 500?

i need code for delco cdr500?

Cant input code.......delco cdr 500 vectra 99?

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code needed please help?

need help ?

my Delco cd player, wont play my cds, just ejects and says "error"?

vectra cdr 500 cant enter code?

I lost my code for my Delco Pontiac radio?

CODE?

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GM CDR500?

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delco cdr 500?

CDR500 DELCO?

how can i fix my delco cdr500?

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ERR CODE GMC DELCO CD STEREO?

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code for cdr500 (d) DELCO?

Delco GM CDR500 Radio code please?

code for cdr500 DELCO?

I need a code?