Blower Motor

What are the dynamics behind the HVAC blower motor speed control, on a 2001 Nissan Sentra?

A good many months ago, the blower ceased to operate in this vehicle, unless the blower motor speed control switch was in its highest position, i.e., #4. Initially, it operated normally in this position. Now, blower output is weak and labored. My thoughts are, the switch is a solid state device wholly responsible for speed control, i.e., the blower motor is not a multi-speed motor.

blower motor 101

all blower motors only have one speed, its the blower motor resistor that allows the consumer to change or adjust the fan speed.

so most likely what happened is your resistor failed (very common and I sell a lot of them) then with it only working on the high speed you eventually burned up your blower motor,,,

most likely you will need a new blower motor and resistor now, but back when it first acted up you could of fixed the problem with just a resistor.

Discover Blower Motor On eBay Below:

AO Smith F42F66A50 Blower Fan Motor Some Rust 2 Wires Cut FREE SHIPPING
AO Smith F42F66A50 Blower Fan Motor Some Rust 2 Wires Cut FREE SHIPPING
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New York Blower Pressure Blower 2310 Alum with 25 HP TEFC motor
New York Blower Pressure Blower 2310 Alum with 25 HP TEFC motor
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DAYTON 2710 3020RPM 1 30HP DRAFT FAN BLOWER W MOTOR 2C610
DAYTON 2710 3020RPM 1 30HP DRAFT FAN BLOWER W MOTOR 2C610
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NOS Mobile Climate Control 24V DC Motor 25 0180 25 1549 for Blower Model 582
NOS Mobile Climate Control 24V DC Motor 25 0180 25 1549 for Blower Model 582
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Bluffton Motor Works 1331007428 Blower Motor Sold As Is
Bluffton Motor Works 1331007428 Blower Motor Sold As Is
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9465 AO Smith Centrifugal Blower Motor 495 CFM 4C445A CA2F107N 1570 RPM 115 volt
9465 AO Smith Centrifugal Blower Motor 495 CFM 4C445A CA2F107N 1570 RPM 115 volt
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Blower Motor 10450400A ACC Climate Control 12V ITR Heater Post 2000 New 1139078
Blower Motor 10450400A ACC Climate Control 12V ITR Heater Post 2000 New 1139078
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WEIL MCLAIN 382 200 345 Blower Motor Replacement Kit G2491679
WEIL MCLAIN 382 200 345 Blower Motor Replacement Kit G2491679
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CARRIER HD44AR242 Blower Motor1 2 HP3 Phase1400 cfm X13 G2494969
CARRIER HD44AR242 Blower Motor1 2 HP3 Phase1400 cfm X13 G2494969
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YORK S1 024 25813 700 Blower Motor1 2 HP208 230V1075 rpm G2491286
YORK S1 024 25813 700 Blower Motor1 2 HP208 230V1075 rpm G2491286
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Mclean engineering pr368c 60 blower u62b1 motor
Mclean engineering pr368c 60 blower u62b1 motor
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Emerson KS60CXSAJ 2831 Belted Fan and Blower Duty motor 1 2 HP 1725 RPM
Emerson KS60CXSAJ 2831 Belted Fan and Blower Duty motor 1 2 HP 1725 RPM
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NEW Fasco D140 Fan And Blower Replacement Motor 115V
NEW Fasco D140 Fan And Blower Replacement Motor 115V
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Dayton Direct Drive Blower Motor with Capacitor and Casing
Dayton Direct Drive Blower Motor with Capacitor and Casing
$75.00
US Electrical Motors U1S2AFC F016 Motor Blower 1HP 1750RPM T32047
US Electrical Motors U1S2AFC F016 Motor Blower 1HP 1750RPM T32047
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Elektor D064 S484 00 65930 Motor w Blower 135 kW 3310 RPM 3 PH T99877
Elektor D064 S484 00 65930 Motor w Blower 135 kW 3310 RPM 3 PH T99877
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1 Hp Baldor 8000 RPM Variable speed Electric Inverter Motor w Piggyback Blower
1 Hp Baldor 8000 RPM Variable speed Electric Inverter Motor w Piggyback Blower
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GE MOTORS 3995 DIRECT DRIVE FAN AND BLOWER MOTOR HIGH EFF BRAND NEW H27
GE MOTORS 3995 DIRECT DRIVE FAN AND BLOWER MOTOR HIGH EFF BRAND NEW H27
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ROTRON fan blower motor AO 11936 CPS 400A15HP01511000 RPMV208 PH3
ROTRON fan blower motor AO 11936 CPS 400A15HP01511000 RPMV208 PH3
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Emerson P63TYCJE 2724 Polyphase 2 hp blower motor Lennox GCS16 090 200 2Y
Emerson P63TYCJE 2724 Polyphase 2 hp blower motor Lennox GCS16 090 200 2Y
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Fasco B47120 Draft Inducer Blower 115 Volts 3 Speed Fasco OEM Replacement Motor
Fasco B47120 Draft Inducer Blower 115 Volts 3 Speed Fasco OEM Replacement Motor
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NEW Ametek 1S 14589 Hazardous Location Vacuum Blower Motor 230V 13000 RPM 7 8 HP
NEW Ametek 1S 14589 Hazardous Location Vacuum Blower Motor 230V 13000 RPM 7 8 HP
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NOS NAPA BLOWER MOTOR 655 2187 New never used
NOS NAPA BLOWER MOTOR 655 2187 New never used
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MITSUBISHI SPINDLE MOTOR ONIKAZE AKAMATSU ELECTRIC FAN BLOWER PFA 680 A
MITSUBISHI SPINDLE MOTOR ONIKAZE AKAMATSU ELECTRIC FAN BLOWER PFA 680 A
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Dayton Electric 3M866 Direct Drive Blower Motor T25152 BRAND NEW I26
Dayton Electric 3M866 Direct Drive Blower Motor T25152 BRAND NEW I26
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Repair Harness For Blower Motor Switch Ref 98 7835 Fit Ford Tempo
Repair Harness For Blower Motor Switch Ref 98 7835 Fit Ford Tempo
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Furnace Draft Inducer Motor Blower for Amana Goodman Janitrol B1859005 B1859005S
Furnace Draft Inducer Motor Blower for Amana Goodman Janitrol B1859005 B1859005S
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GE  Genteq Evergreen 1 2 HP 230 Volt Replacement X 13 Furnace Blower Motor
GE Genteq Evergreen 1 2 HP 230 Volt Replacement X 13 Furnace Blower Motor
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Tjernlund FB10DLX 75 CFM Fireplace Blower Motor 10 with Speed Control
Tjernlund FB10DLX 75 CFM Fireplace Blower Motor 10 with Speed Control
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Dayton 5RHT9 Permanent Split Capacitor Blower Motor FREE SHIPPING
Dayton 5RHT9 Permanent Split Capacitor Blower Motor FREE SHIPPING
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GE DOUBLE SHAFT FAN BLOWER MOTOR 5KSP39BO2331DX VOLTS 208 230 RPM1050 HP 1 12
GE DOUBLE SHAFT FAN BLOWER MOTOR 5KSP39BO2331DX VOLTS 208 230 RPM1050 HP 1 12
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GENUINE KOOLTRONIC BLOWER MOTOR 0261 120
GENUINE KOOLTRONIC BLOWER MOTOR 0261 120
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Coral S 30 C 280 MM diameter Blower Assy For 3300 RPM 55 KW IEC 71 Motor
Coral S 30 C 280 MM diameter Blower Assy For 3300 RPM 55 KW IEC 71 Motor
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Fasco JF1H143N HC30GL460 Blower Motor Assembly 3450RPM 1 16HP
Fasco JF1H143N HC30GL460 Blower Motor Assembly 3450RPM 1 16HP
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E29 Dorman Conduct Tite 85156 Conduct Tite Ford Blower Motor Socket
E29 Dorman Conduct Tite 85156 Conduct Tite Ford Blower Motor Socket
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Vulcan Hart blower motor P N 354984 00001
Vulcan Hart blower motor P N 354984 00001
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Kondo 4244BC 10W B30L 02 4244BC10WB30L02 Blower Motor Assembly New No Box
Kondo 4244BC 10W B30L 02 4244BC10WB30L02 Blower Motor Assembly New No Box
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Greenheck SQ 160 VG 20 X Industrial Fan Blower W 2HP Varigreen Motor 220V
Greenheck SQ 160 VG 20 X Industrial Fan Blower W 2HP Varigreen Motor 220V
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9704 S 5 5 8 Diameter Direct Drive Fan  Blower Motor
9704 S 5 5 8 Diameter Direct Drive Fan Blower Motor
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