A: The turn signal switch is located on the left side of the steering column. It incorporates the turn signal, headlight dimmer, windshield wiper/washer and, if equipped, cruise control functions into one switch. To remove it, first place the tilted steering wheel in the center position. Then, remove the steering column trim covers. Trace the turn signal switch wires down to the connectors and disconnect them. Remove the turn signal switch screws, then detach the switch from the steering column. To install, simply reverse the removal process.