Control Levers
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1986 Mercury Marquis, 1986 Mercury Grand Marquis, 1986 Mercury Cougar, 1986 Ford Thunderbird, and 1986 Ford LTD Crown Victoria. 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.