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Blower Motor Resistor Connectors

When your air conditioning or heat stops blowing air, one of the leading causes is a failure of the blower motor resistor. Many times the root cause of the failure is a melted blower motor resistor connector or pigtail. Fortunately, swapping out the blower motor resistor connector is a straightforward job you can handle yourself with replacement parts from BWD or Dorman.

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FAQs Concerning Blower Motor Resistor Connectors

Where is an A/C resistor located?
Typically, you'll find the A/C resistor underneath the dashboard on the passenger side of the vehicle. Check your owner's manual for the precise location and other questions about your car's A/C system.
Is a blower motor resistor connector a universal part?
No. You need to find a replacement part unique to the make, model, and model year of your vehicle.
How quickly can I swap out this part?
Follow the supplied instructions and you should complete this job in as little as five minutes.
Buy blower motor resistor connectors online or visit your local Advance Auto Parts store and have one of our knowledgable Team Members help you.

Signs You Need a New A/C Resistor

Your climate control system is working, but not on all settings.
No air blows out of the vents.
A burning electrical smell suggests something is overheating.
The A/C resistor shows obvious signs of corrosion.
A/C Resistor Types
Type 1 — Dorman's line of TECHoice HVAC blower motor resistor connectors includes butt connectors and weather seal, where available.
Type 2 — BWD uses high-grade materials to ensure maximum conductivity and flawless connections.
How to Install Blower Motor Resistor Connectors
Lift the hood, locate the battery negative cable, and disconnect same.
Find the blower motor resistor. Typically, it's located inside the vehicle, on the passenger side, and underneath the dashboard by the climate control unit.
Locate the lock on the blower motor resistor wire harness connector and unlock the connector latch.
Depress the latch and separate the connector from the resistor.
To remove the resistor from the HVAC housing, remove the screws. Then take the resistor from the housing.
Swap out the old with the new, then follow steps four and backward until finished.

How to Solve Common Blower Motor Resistor Connector Problems

I can't find the blower motor.
Your owner's manual or shop manual will outline the precise location for the motor, the A/C resistor, and related parts.
No air is blowing out of the vents.
First, confirm that a fuse hasn't blown. If it has, replace and try again. Second, if the fuse is okay, locate the blower motor and examine the connected wiring. The blower motor resistor connector is the first part after the blower and ahead of a sensor and multiple actuators.
One or two climate control settings work, but not all.
Unless a broken switch is the obvious problem, replacing the A/C resistor is the likeliest solution. Swap out the part and air should flow whether the system is set on low, medium, or high.
Buy blower motor resistor connectors online or visit your local Advance Auto Parts store and have one of our knowledgable Team Members help you.

Additional FAQs

How difficult is it to change an A/C resistor?
If you have ever swapped out a car battery, you should find replacing a connector an easier task.
What tools do I need?
More than likely you won't need any tools. Depress and detach one lock, then one or more latches to separate the old before reconnecting the new.
What precautions should I take when replacing this part?
When working with any electrical part, you'll want to separate the battery negative cable before beginning your work.
I've seen blower motor resistors with three, four, five, and even seven terminals. What number is right for me?
The number corresponds to the A/C resistor made specifically for your make, model, and model year vehicle.

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