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1990 Cadillac Eldorado
1990 Cadillac Eldorado Blower Motor Resistors
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Part Number: SIRU540
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$152.99
Vehicle Fitment
- 1990 Cadillac Eldorado All Submodels All Engines
Product Details
Series : Intermotor SeriesQuantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard limited warrantyProp 65 Warning :
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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StandardBlower Motor Resistor - Manufacturer #RU-540
( Reviews) Questions, Answers
STANDARD (NEW) OE REPLACEMENT BLOWER MOTOR RESISTORS
Revamp your ride with the advanced design, OEM-grade quality assurance and standard-setting performance offered by Standard’s new OE replacement blower motor resistors. Si...
Product Questions & Answers
Standard Blower Motor Resistor -
$152.99
Q:Where does this part fit on a 1990 Reatta Convertible?
Logan B.
A:BEST ANSWERHi Logan, thank you for reaching out. Unfortunately, we do not have that information available. Kindly check your repair manual. You can use the link below to order the part while it's on sale. Have a good one.
https://www.carparts.com/blower-motor-resistor/standard/siru540?can=cpab2020 Show less
Andrew B.
1 Question, 1 AnswerView all Q&As >
Helpful Automotive Resources
Where Is the Blower Motor Resistor Located?The blower motor resistor controls the airflow from the HVAC ducts of older vehicles. When you turn the blower fan speed knob to change the setting, you direct the electric current through a path with different resistance. Lower speed settings have more resistance and reduce the power that reaches the
A Comprehensive Overview of Air Conditioning and Heating in VehiclesTo put it simply, the air conditioner blows cool air to lower the temperature inside the cabin. It keeps passengers cool, lowering humidity along with the temperature, bringing comfort and peace of mind on hot and humid days.
How to Test a Blower Motor Resistor(A burned out blower motor resistor connector) requires replacing the resistors as well as the resistor connector pigtail, but you need to do a really good job splicing the wires (and don’t get them out of order) or you’ll make bigger problems for yourself.–Richard McCuistian, ASE Certified Master Automobile Technician
What Is a Car Blower Motor? Purpose, Symptoms, and MoreThe blower motor is a critical part of your vehicle’s HVAC system. It is usually a permanent magnet, one-speed motor that operates at full battery voltage. The path that the current follows to the blower motor is typically controlled by the fan switch via a resistor pack (also known as
Where Is the Blower Motor Located?Resistors can be found near the blower motor, sitting in the duct where airflow passes, so they can be cooled down because resistance in a current intensive circuit creates quite a bit of heat in the resistor.
In this photo, you can see the blower and its resistor mounted in the