Since replacing a turn signal switch will differ depending on the make and model of your car, you will need to obtain a copy of the repair manual for your make and model. Follow along in the repair manual along with these instructions in case anything differs from these instructions for your make and model.
You'll need to remove the airbag, the steering wheel and also the clockspring to replace the turn signal combination switch. See our articles on Airbag Removal, Steering Wheel Removal and Clockspring Replacement for more information. You'll also want to disconnect the battery. See our article on Battery Replacement for more information.
Function test a replacement turn signal switch or combination switch assembly before replacing the steering column cover; learn how in this free auto-repair video.
Replace a turn signal switch or combination switch assembly by connecting the electroconnector and sliding the new switch assembly onto its bracket; learn how in this free auto-repair video.