QUOTE(ClayPerrine @ Dec 17 2009, 12:50 PM)

Or just pull the locks and have a locksmith key them to work with your red key.
Yes, It works. I have my red 914/6 keyed to the red key, and Betty's orange 914 keyed to the black key. Makes it easy to tell which key to use.
To do that, take them apart yourself & take out the wafer that has a "ledge" in the center, file out the "ledge", and it will work with the red key (you need a really small file)