Blower Resistor

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:

  • Resistor‑based – uses series resistors to drop voltage; provides 3–4 fixed speeds. Generates heat, needs cooling fins; prone to thermal failure.

  • 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:10351255,10351295,15217401,25928168DORMAN:973-536                 973-180
Blow Resistor|OE:10351255,10351295,15217401,25928168DORMAN:973-536 973-180

Blow Resistor|OE:10351255,10351295,15217401,25928168DORMAN:973-536 973-180|Model:Buick 2005-02, Chevrolet 2005-01, Oldsmobile 2004-01, Pontiac 2005-01

Blow Resistor|OE:12135102,15304891,89018437,89019101DORMAN:973-000             973-408
Blow Resistor|OE:12135102,15304891,89018437,89019101DORMAN:973-000 973-408

Blow Resistor|OE:12135102,15304891,89018437,89019101DORMAN:973-000 973-408|Model:Buick 2005-97, Chevrolet 2003-97, Oldsmobile 2002-97, Pontiac 2003-97

Blow Resistor|OE:88970279,,89018516DORMAN:973-545                    973-186
Blow Resistor|OE:88970279,,89018516DORMAN:973-545 973-186

Blow Resistor|OE:88970279,,89018516DORMAN:973-545 973-186|Model:Pontiac Vibe 2008-03

Blow Resistor|OE:4864957
Blow Resistor|OE:4864957

Blow Resistor|OE:4864957|Model:JEEP CHEROKEE XJ 1991-2001

Blow Resistor|OE:52472420,52464010DORMAN:973-002              973-281
Blow Resistor|OE:52472420,52464010DORMAN:973-002 973-281

Blow Resistor|OE:52472420,52464010DORMAN:973-002 973-281|Model:Chevrolet Cavalier 2004-95, Pontiac Sunfire 2005-04, Pontiac Sunfire 2002-95

Blow Resistor|OE:271502M100,72226FE000DORMAN:973-200             973-130
Blow Resistor|OE:271502M100,72226FE000DORMAN:973-200 973-130

Blow Resistor|OE:271502M100,72226FE000DORMAN:973-200 973-130|Model:Nissan 2004-95

Blow Resistor|OE:15305921DORMAN:973-400
Blow Resistor|OE:15305921DORMAN:973-400

Blow Resistor|OE:15305921DORMAN:973-400|Model:Chevrolet 2005-97, Oldsmobile 2004-97, Pontiac 2005-99

Blow Resistor|OE:271505Z000DORMAN:973-543
Blow Resistor|OE:271505Z000DORMAN:973-543

Blow Resistor|OE:271505Z000DORMAN:973-543|Model:Infiniti 2007-05, Nissan 2019-04

Blow Resistor|OE:8713804050,,8713804051,8713804052,8713804070DORMAN:973-582           973-134
Blow Resistor|OE:8713804050,,8713804051,8713804052,8713804070DORMAN:973-582 973-134

Blow Resistor|OE:8713804050,,8713804051,8713804052,8713804070DORMAN:973-582 973-134|Model:Toyota Tacoma 2020-05

Blow Resistor|OE:15831065DORMAN:973-509
Blow Resistor|OE:15831065DORMAN:973-509

Blow Resistor|OE:15831065DORMAN:973-509|Model:Chevrolet Malibu 2012-04, Pontiac G6 2010-05, Saturn Aura 2009-07

Blow Resistor|OE:5139719AADORMAN:973-025       973-425
Blow Resistor|OE:5139719AADORMAN:973-025 973-425

Blow Resistor|OE:5139719AADORMAN:973-025 973-425|Model:Jeep Liberty 2006-02, Jeep Wrangler 2006-02

Blow Resistor|OE:9703534000DORMAN:973-504
Blow Resistor|OE:9703534000DORMAN:973-504

Blow Resistor|OE:9703534000DORMAN:973-504|Model:Hyundai 2009-01