I'm guessin' Bill, but you may have to connect an acoustic pickup on the guitar and fire it into the harmonizer so the Harmony-G can identify the chords changes.

Gary cool
_________________________
PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)