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:7701048390,77010207718|Model:Peugeot Citroen NISSAN
Blow Resistor|OE:68059894AA,68314272AA,GS3M61B15,N24361B15,27761JE22A,73533YC000|Model:Mazda Ford Fiat Nissan Subaru
Blow Resistor|OE:7802A028|Model:Mitsubishi Eclipse 2012-06, Mitsubishi Endeavor 2011-10, Mitsubishi Galant 2012-06
Blow Resistor|OE:9562664J00,7802A006|Model:Mitsubishi Lancer EVO Suzuki Grand Vitara
