Blower Motor Switch: Description and Operation

A/C BLOWER MOTOR CONTROL

The blower motor control is integrated into the A/C switch. The blower motor control selects A/C blower motor speed by switching current flow through the A/C blower motor resistor. The blower motor control has five settings:

OFF (No blower operation)
1 (Min Speed)
2
3
4 (Max Speed)