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:1J0907521,357907521,|Model:Audi A4 TT Golf Jetta Eurovan
Blow Resistor|OE:LR031677,7T4Z-19E624-A,PCE500010,C2P8269,,C2Z6538,DORMAN:973-255 973-584|Model:Jaguar 2019-07, Land Rover 2016-05
Blow Resistor|OE:8693262,,9171541,,32392296DORMAN:973-102|Model:Volvo S60 2009-01, Volvo S80 2006-99, Volvo V70 2007-01, Volvo XC70 2007-03, Volvo XC90 2014-03
Blow Resistor|OE:90566802,90512510DORMAN:973-123|Model:Cadillac Catera 2001-97
Blow Resistor|OE:10381264,,23454134DORMAN:973-575|Model:Chevrolet Malibu 2012-04, Pontiac G6 2010-06, Saturn Aura 2009-07
Blow Resistor|OE:79330S2K941,79330S3VA51DORMAN:973-548|Model:Acura MDX 2006-01, Honda Pilot 2008-03
Blow Resistor|OE:79330S3VA01,79330S84A41DORMAN:973-541|Model:Acura MDX 2006-01, Honda Pilot 2008-03
Blow Resistor|OE:79330S10A41,79330S10A42,,3A1333DORMAN:973-561 973-179|Model:Honda Civic 2000-99, Honda CR-V 2001-97, Honda Insight 2006-00
Blow Resistor|OE:52474437DORMAN:973-551|Model:Chevrolet Blazer 2002-98, GMC Jimmy 2002-98, Oldsmobile Bravada 2001-98
Blow Resistor|OE:5012699AA,5061587AA,,68027884ABDORMAN:973-424， 973-176|Model:Jeep Grand Cherokee 2001-99
