I have a rio car with a 30 gig hard drive. It works great at home, but its missing the rear connector {the one on the player} for the car harrness. Make me a reasonable offer.

You won't have much luck selling this without posting the unit's serial number. Photos will help too.

(why is it missing the connector?)

I agree, some more info is needed (like serial number and what happened to the connector). Without knowing more, I'd guess that there's not much market for a player without the connector. I'm looking for a parts player, though, so I'd give you $100 for it. PM me with more info if you're interested.