http://www.instructables.com/id/ELEV-8/
Step 2:
Now we're going to wire up the motors. Cut three 1 foot lengths of the 16 AWG wire for each motor. Get some heat shrink ready, strip about a 1/4" off each end, and start
soldering!
If you don't have a heat gun, you can use a lighter or the thicker part of your soldering iron to "activate" the heatshrink.