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:27150ED70A-A128,27150ED70A|Model:Nissan Sunny, Geely Panda, Haima Rider, Roewe W5
Blow Resistor|OE:64119265892,64119146765,64119222072DORMAN:973-113|Model:BMW 3 Series E87 E90
Blow Resistor|OE:3GSH-19E624-CA,4GSH-19E624-AA,6GSH-19E624-AA,89023355,19331830,19329838|Model:2003-2007 Hummer H2
Blow Resistor|OE:971791F200,971791F210|Model:Hyundai Tucson 2007-05, Kia Rondo 2007, Kia Sportage 2007-05
Blow Resistor|OE:79330-S6M-941DORMAN:973-084 973-135|Model:Acura RSX 2006-02, Acura TL 2008-04, Honda Accord 2007-03
Blow Resistor|OE:8716541010,68048901AA,8716513010,68018105AA,MR315499,|Model:Toyota Camry Corolla Mitsubishi Pajero V73 Chrysler 300 Dodge Journey Boyue
