Where is the blower switch?
Where is the blower switch?
The motor that runs the fan in the heating and air conditioning system in a car is called a blower motor. It’s located inside the dash, often on the opposite side of the steering wheel or inside the engine compartment on the firewall.
Can a HVAC blower motor switch be replaced?
On some models, this may require replacement of the entire HVAC control unit, or the switch may disconnect by a solitary electrical connector. Once the HVAC control unit of HVAC blower motor switch is replaced, the control unit can be remounted in the instrument panel, and any trim can be replaced.
How to replace a heater motor switch or relay?
Step 1: Replace the switch. At this point you should have the switch in a position to easily disconnect it. Be careful, there are usually locking tabs on the connector that have to be squeezed before it will release and pull off. The plastic connectors are brittle and break easily.
What are the signs of a broken blower motor switch?
Some common signs of a broken blower motor switch are if the switch only works on certain air settings, which occurs when a contact wears out, or if the switch is stuck or often gets stuck, indicating that the switch is not working properly.
What happens when you change the fuse on a blower?
If the blower works when you change the fuse, you may not be out of the woods yet. When the motor gets old and tired it will draw more current through the wires than a new motor.
Do you have to replace the blower switch?
You don’t have to buy the whole A/C-Heater Control Panel to replace the blower control switch since the switch is removable. If you’re interested in the original Ford Motorcraft blower switch or on an after-market part (and save), the following links will help you comparison shop.
What should the blower switch knob be set to?
With the blower switch knob set to the M1 position . You should have continuity between 2 and 3 (see image 1 of 4 to identify the proper male spade terminals to probe). NOTE: See image 4 of 4 to further identify the blower switch terminals. With the blower switch knob set to the M2 position .
Where does the battery go in a blower motor switch?
The BLK/ORG wire is the one that connects to terminal 2 of the blower motor switch. Inside the blower motor switch this battery power goes nowhere. Battery power is available on terminal 2 of the blower switch connector (BLK/ORG wire). This battery power is now diverted to terminal 3 of the blower switch harness connector (LT GRN/WHT wire).
How to test a Ford blower motor switch?
NOTE: See image 4 of 4 to further identify the blower switch terminals. With the blower switch knob set to the M2 position . You should have continuity between 2 and 4 (see image 2 of 4 to identify the proper male spade terminals to probe). With the blower switch knob set to the HI position .
