Well with out seeing what you have there I can give you the book answer
#1 Remove steering wheel
#2 Remove cancelling cam and camspring.
#3 Remove turn signal lever.
#4Push in and unscrew hazard warning knob.
#5 Remove turn signal cover.
#6 Unfasten (3 screws) and remove switch.
#7 Disconect turn signal harnes to allow removal of switch. Reverse procedure to complete instalation.
Hope this helps