You are right, it does sound like the multifunction switch in the steering column is malfunctioning.
Did this problem occur all of a sudden? Did it start happening intermittently first? Or is it a car you just bought?
You can drop the driver side kick panel to gain access to the steering column and you could check the flat connector for the multifunction switch (picture here:
http://www.austinthirdgen.org/mkport...-connector.jpg ). The connector might be disconnected by accident.
If you have a test light and would like to test the multifunction switch (via the flat connector) before you replace it, let me know and I can post up a few steps.
Lou
P.S.: It might not be a bad idea to use some punctuation to make it easier on us while reading your posts. Help us help you.