Kenwwod KDC MP 543u Protect mode problem

This indicates a short in one of the speakers, or possibly the speakers are not wired correctly. Please see my tip at http://www.fixya.com/support/r9389300-stereo_says_protect_or_clicks_off_when .
Correct wiring for 95 Corolla is as follows:

1995 Toyota Corolla Wiring harness, Kenwood wire color
Radio Constant 12V+ Wire: Blue/Yellow, yellow
Radio Switched 12V+ Wire: Gray, red
Radio Ground Wire: Brown, black
Radio Illumination Wire: Green, not used by Kenwood--please tape off
Radio Antenna Trigger Wire: Black/Red, blue
Left Front Speaker Wire (+): Pink, white
Left Front Speaker Wire (-): Purple, white/black
Right Front Speaker Wire (+): Light Green, gray
Right Front Speaker Wire (-): Blue, gray/black
Left Rear Speaker Wire (+): Black, green
Left Rear Speaker Wire (-): Yellow, green/black
Right Rear Speaker Wire (+): Red, purple
Right Rear Speaker Wire (-): White , purple/black