Identify coils end in 3 phase AC induction motor for star-delta configuration
I had this problem once with a motor which losses is terminal block and solved it following these steps,


Identify the coils, measuring continuity.
Connect the motor in delta style using six cables or use a star-delta starter as power of motor dictates.
Test all the combinations in one of the ends of the coils, left the other side fixed. There are only two possibilities.


You must try uvw-uwv-vuw-vwu-wvu-wuv, skipping the ones who puts the same phase at the ends of the same coil, you could test this with a voltmeter.

If the sequence is wrong and you have a star-delta starter, the motor will starts up always correctly in star an showns an anormal response at delta changeover, stops or severely losses torque.

I followed this procedure with a 15Kw motor and a star-delta starter.