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The role of the car blower motor resistor is to regulate the speed of the blower motor. Usually installed together with the blower fan, you can find it below the passenger side console (As shown in the following image). It changes the current by adjusting the size of the resistor, thus controlling the speed of the blower motor. This allows you to adjust the air volume and temperature of the car's air conditioning or heating system, improving driving comfort.
Compatible with
- FORD F-150 2004-2008
- FORD F-250 SUPER DUTY 2005-2008
- FORD F-350 2007
- FORD F-350 SUPER DUTY 2004-2008
- FORD FREESTAR 2004-2007
- FORD LOBO 2004-2008
- FORD THUNDERBIRD 2003-2005
- LINCOLN LS 2003-2006
- LINCOLN MARK LT 2006-2008
- MERCURY MONTEREY 2004-2007
OE&Reference Number
- 3F2Z19E624AB
- 3W4Z19E624AA
- 3W4Z19E624AB
- 4L3Z19E624AA
- 52485682
- 973-485
- 4P1586
- RU575
Our after-sales policy
We provide a one-year free replacement service for the product you purchased, including reasons such as incompatible parts, non-functioning parts, or parts that stop working after a period of time. If you encounter these issues, please let us know directly, and we will send out a replacement for you as soon as possible.
The working principle of the blower motor resistor and its common fault symptoms:
The blower motor resistor is an important component that controls the speed and airflow of the internal blower fan in a car. It adjusts the intensity of the current by adjusting the resistance value, thereby regulating the speed and volume of the blower motor. When the resistor malfunctions, it usually needs to be replaced to restore normal operation.
- Fluctuating fan speed
- Fan not working
- Fan working only at certain settings
- Increased fan noise
T. D. Bourque
Reviewed in the United States on June 18, 2024
Replaced a worn out resistor for blower motor and this one did the trick.
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