1999 Ford Taurus where is the temperature control switch lo

No heat inside the car
and if so the switch is not going to help at all switch is to tell the PCM what is the engine temp

located by the thermostat housing in most cases


if its heat your looking for
this is what you need to do
start and warm the engine
open hood and check by the firewall the heater core hose both should be hot if not
heater core need to be flushed
if both hot blend door in the HVAC box or actuator
let me know what