TURN SIGNAL SWITCH STEERING WITH CORNERING LIGHT TO USE 9786981 - 3909580 - 3961517 OR 14005066 - NOT TO USE WITH LEVER ROUND CLIP ON STYLE 79 - 81. REPLACING THIS SWITCH WILL ALLOW TO USE AN EARLY LEVER AND RESOLVED THE PROBLEM OF UNAVAILABLE LATE TURN SIGNAL LEVER. CORRECT FOR T87 OPTION, BUT ALSO WORKS WITHOUT THIS OPTION, THE DIFFERENCE IS JUST AN EXTRA INTERNAL SWITCH FOR CORNERING LAMPS. DIMMER SWITCH CAN BE REPLACE FOR A FLOOR STYLE SWITCH. PLEASE LOOK THE PICTURE IN DETAIL. Reproduction turn signal switch for 1967-02 Firebird models. Located in the steering column this switch will aid in the prevention of accidents by warning other vehicles that you intend to turn. With cornering lights.