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:

Mosler Positran PCB Assembly 825040AA Blower Drive Motor ECM
Mosler Positran PCB Assembly 825040AA Blower Drive Motor ECM
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Diebold PneuVista 6000 Blower Motor
Diebold PneuVista 6000 Blower Motor
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MAWDSLEYS D63G2 H1510 25A 440V 2840RPM 3 PH SPINDLE FAN BLOWER MOTOR IP54 25Kw
MAWDSLEYS D63G2 H1510 25A 440V 2840RPM 3 PH SPINDLE FAN BLOWER MOTOR IP54 25Kw
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Murray Climate Control Blower Motor PM4000 NEW FREE SHIPPING
Murray Climate Control Blower Motor PM4000 NEW FREE SHIPPING
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SIEMENS BLOWER MOTOR 460V 13 KW 25A 3425 MIN 1 LA5083 2AA12 Z NEW
SIEMENS BLOWER MOTOR 460V 13 KW 25A 3425 MIN 1 LA5083 2AA12 Z NEW
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Baldor motor VM3555 w blower air process 2 hp 208 230 460 volts fan volume
Baldor motor VM3555 w blower air process 2 hp 208 230 460 volts fan volume
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NOS General Motors DC Blower Motor 52498869 22020945 4999960 15 8531
NOS General Motors DC Blower Motor 52498869 22020945 4999960 15 8531
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NEW GE BLOWER MOTOR 5KCP39KG C519ET 1 3 1 4 HP 110 A 1075 RPM 460 V
NEW GE BLOWER MOTOR 5KCP39KG C519ET 1 3 1 4 HP 110 A 1075 RPM 460 V
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PEERLESS MMC PW12 101124002 BLOWER MARATHON FVB182TTFS4001APL 3HP MOTOR NP9
PEERLESS MMC PW12 101124002 BLOWER MARATHON FVB182TTFS4001APL 3HP MOTOR NP9
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New Fasco A170 Furnace Motor With Blower Furnace E41J
New Fasco A170 Furnace Motor With Blower Furnace E41J
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new dayton 4m042d fan and blower motor 1 100 hp 3000 rpm
new dayton 4m042d fan and blower motor 1 100 hp 3000 rpm
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Napa 655 2434 UniMotor 35476 HVAC Blower Motor FOUR SEASONS
Napa 655 2434 UniMotor 35476 HVAC Blower Motor FOUR SEASONS
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AO Smith 770 JB1C077NSV York Blower Motor 1 70HP 208 230V 3000RPM
AO Smith 770 JB1C077NSV York Blower Motor 1 70HP 208 230V 3000RPM
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Tested Clean Mars 10585 Blower Motor With Capacitor FREE SHIPPING 1 3HP 115v
Tested Clean Mars 10585 Blower Motor With Capacitor FREE SHIPPING 1 3HP 115v
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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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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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AMETEK 114787 MOTOR BLOWER 3 STAGE 75 BYPASS PERIFERIAL DISCHARGE 120V
AMETEK 114787 MOTOR BLOWER 3 STAGE 75 BYPASS PERIFERIAL DISCHARGE 120V
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Bluffton Motor Works 1331007428 Blower Motor Sold As Is
Bluffton Motor Works 1331007428 Blower Motor Sold As Is
$100.00
Dayton Electric 3M866 Direct Drive Blower Motor T25152
Dayton Electric 3M866 Direct Drive Blower Motor T25152
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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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GE 5KSP29DG3155AT FAN BLOWER MOTOR 1 15HP 1050RPM PH1 60 50HZ 115 208 230V
GE 5KSP29DG3155AT FAN BLOWER MOTOR 1 15HP 1050RPM PH1 60 50HZ 115 208 230V
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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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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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Dayton Direct Drive Blower Motor with Capacitor and Casing
Dayton Direct Drive Blower Motor with Capacitor and Casing
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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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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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Siemens VDO PM271 95 97 Ranger Mazda Truck Heater A C Condenser Blower Motor
Siemens VDO PM271 95 97 Ranger Mazda Truck Heater A C Condenser Blower Motor
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Fasco B47120 Draft Inducer Blower 115 Volts 3 Speed Fasco OEM Repl
Fasco B47120 Draft Inducer Blower 115 Volts 3 Speed Fasco OEM Repl
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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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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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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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AO Smith F42F66A50 Blower Fan Motor RPM 1050 HP 1 12 208 230 VOLT
AO Smith F42F66A50 Blower Fan Motor RPM 1050 HP 1 12 208 230 VOLT
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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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