My furnace blower motor oniy turns on when I switch my thermostat to manual it will not come when I turn my thermostat to auto.

What is the temp setting on the stat and what is the room temp?

75 and in hall away from the return air and any draft

The thermostat is 79 and room is about 60

What type of furnace, gas or electric or what? Can you tell if the furnace seesthe call for heat and fires up?

Gas and it does every but the blower don't come on in auto but in manual it goes through the complete proceeds lights up and gives me heat

Not a job for most DIYers but your furnace has a sensor that tells it when the unit has heated up to the point to start the blower, it has gone bad. Get your make and model and call 3 HVAC contractors for their bid to replace the failed sensor. For now just leave your blower on ON rather than AUTO. I actually tell most folks to do this even if their firnace is working properly. Leaving the blower on 24/7 uses just slightly more elctricity than starting and stopping, it will also make the home temps more even and comfortable. If I were you I'd just do that and skip getting the sensor fixed for the time being