Blower Motor Resistor & Control Module – Key Features at a Glance
Blower motor resistors and electronic control modules regulate fan speed in vehicle HVAC systems.
Two types:
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Resistor‑based – uses series resistors to drop voltage; provides 3–4 fixed speeds. Generates heat, needs cooling fins; prone to thermal failure.
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Electronic module – uses PWM (pulse‑width modulation) for infinitely variable, smooth speed control. More efficient, with built‑in overcurrent, overheat, and short‑circuit protection.
Common features: compact design, plug‑and‑play connectors, integrated thermal fuse (resistor type), and diagnostic capability (module type). Operating voltage: 12V (24V for trucks); temperature range: –40°C to +85°C.
Failure signs: fan only works on highest speed (resistor burned out) or no speed variation at all (module failed).
Applications: passenger cars, commercial vehicles, and aftermarket replacements – essential for cabin comfort and defogging.
Blow Resistor|OE:RU392,4F2H19A706BA,4F2Z19A706BADORMAN:973-559 |Model:Ford Expedition 2007, Ford Windstar 2003-99, Lincoln
Blow Resistor|OE:4L3Z,19A706-AADORMAN:973-015 973-414 |Model:Ford 2007-94, Lincoln 2006-98, Mercury 2007-05, Mercury 2002-01
Blow Resistor|OE:5019639AADORMAN:973-501|Model:Chrysler Aspen 2009-07, Dodge Durango 2009-01
Blow Resistor|OE:5174124AADORMAN:973-023 973-423|Model:Chrysler Sebring 2004-01, Dodge Stratus 2004-01
Blow Resistor|OE:7L1Z19A706ADORMAN:973-558 |Model:Ford Expedition 2017-07, Lincoln Navigator 2017-07
Blow Resistor|OE:68057721AA,7B0959263C,DORMAN:973-246 973-579 |Model:Chrysler Town & Country 2011-09, Dodge Grand Caravan 2011-09
Blow Resistor|OE:5143127AADORMAN:973-028 973-428|Model:Jeep Commander 2007-06, Jeep Grand Cherokee 2007-05
Blow Resistor|OE:8713833030,8713833060,9713833030DORMAN:973-532 |Model:Toyota Camry 2001-97, Toyota Solara 2003-99
Blow Resistor|OE:79330S84505,79330S84A01DORMAN:973-540|Model:Honda Accord 2002-98, Honda Odyssey 2004-99
Blow Resistor|OE:68029723AA,68050014AA,DORMAN:973-157 973-572|Model:Chrysler Town & Country 2010-08, Dodge Grand Caravan 2010-08
