Play along CD's with only guitar chords
 

Hi. I'm currently learning to play blues on the harmonica. I'm looking for a play along CD with only guitar playing on it. This is because I need to pracice my ear to distinct chords from each other. I have been trying to play along on other CDs, but I find it difficult to follow the 12 bar progression when the chords aren't clear, because my ear is not used to focus on chords.

Can anyone recommend me a CD for this?

I don't know of any that are just guitar, but a few of them are recorded in split-audio, whereby you can unplug one speaker (or simply adjust the balance) so that you only hear the chords. But even those are more often a piano than a guitar.