I'm really sorry, I should have taken more time to inspect your wiring. The way you had it should have worked.
There must be something else not quite right.
Remind me... what happens when the relays change state??
What should happen is...
If RLA and RLB are both OFF or both ON, the motor is stopped.
If one relay is ON and the either is OFF then the motor will rotate.
e.g. RLA=ON and RLB=OFF motor rotates one way
and if RLA=OFF and RLB=ON motor rotates in the opposite direction.
Are you sure the relays are operating?
Can you hear a faint 'tick' sound?
Have you got a multimeter?
If you have you could do a continuity check - WITHOUT ANY POWER connected to the relays.