What Does a Blower Motor Resistor Do?

By: David Sacer


Definition

"Blower motor" refers to an electrically operated fan in a vehicle that supplies air to the passenger compartment. The heater blower resistor helps control the rate at which the blower motor supplies this air. A blower motor resistor, typically located beneath the passenger side dashboard, contains three resistors, or sets of terminals designed to generate voltage in proportion to electrical current. These resistors allow the blower motor to function at lower speeds.

Function

Blower motor resistors contain controls that determine air settings. If the airflow exceeds a predetermined amount, the blower motor resistor reduces airflow through the vents via wire coils. Each coil is responsible for one speed setting: Thinner coils correspond to higher air settings and offer the least resistance (the least opposition to the flow of electric current), allowing the blower fan to rotate faster, while thicker coils correspond to lower air settings and force the fan to rotate more slowly.

Repair

If the blower motor resistor fails, the blower motor only functions at its                    highest speed and cannot decelerate. When not replaced, blower will either not    function or will not run at all speeds. Replacing the blower motor resistor   typically corrects this problem.

SA1473 blower motor resistor, it’s a highly recommended replacement part for your vehicle’s original factory component. It restores blower speed control caused by a failed resistor. It’s designed to exceed OE specifications not only in fit, form and function, but also for fast, easy installation, with superior performance and reliability. It’s compatible for most models of Citroen / Peugeot / Renault / Nissan. It is the perfect blower resister replacement for your vehicle. All SACER car parts are manufactured to stringent quality requirements. Our workshop is ISO9001 certified which assures that every part is the right part for the right vehicle.

Have questions about a particular confusion? Rest easy. Here at SACER our knowledgeable, dedicated team of product specialists have years of experience. They are always ready to solve your specific problems.

SACER Ltd was established in 2007, aiming to be a leading specialist in automobile electronic spare parts in aftermarket for car repair and re-manufacture. SACER is wholly customer service focused. Every decision we make is made based on the answer to one simple question: "What is best for the customer?" This dictates everything we do is customer-oriented. Since our first sale in 2007, with many years of experience and a comprehensive range of auto electronics products and solution services, SACER has won world-wide customers’ deep trust and built a long-term business cooperation with them.

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We’ve always expanded our product line to meet customers’ demanding requirements, which can be seen on our site today, with plenty more on its way! https://www.sacer.com.cn/

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