Control Levers
WARNING: This page is about a different car, the 1985 Mercury Marquis, 1985 Mercury Cougar, 1985 Ford Thunderbird, and 1985 Ford LTD. However, it is still accessible from the selected car via links, so may be relevant.
The heater and power ventilation control utilizes a mode control lever for various modes that determine the manner in which the system will operate. A temperature control lever is used for manually setting the desired temperature and a blower switch controls the volume of air movement.
Each position of the mode control lever and blower switch is detented for positive engagement. The blower switch provides manually selected blower speeds and may be operated in any position to select the desired amount of air flow.