HomeHVAC > Wire, Cable and Related ComponentsStandard Ignition S2920 HVAC Blower Motor Resistor Harness
Part #: S2920

Standard Ignition S2920 HVAC Blower Motor Resistor Harness

72 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Cadillac, Chevrolet, GMC, Isuzu, and Saab, 9-7x, Allure, Ascender, Avalanche 1500, Avalanche 2500, Century, Cheyenne, Escalade, Impala, Impala Limited, LaCrosse, Monte Carlo, Rainier, Sierra, Sierra 1500, Sierra 1500 Classic, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Suburban 1500, Suburban 2500, Tahoe, Yukon, Yukon XL 1500, and Yukon XL 2500
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HVAC Blower Motor Resistor Harness for GM Applications

Standard Ignition S2920 is an HVAC blower motor resistor harness built for select Chevrolet, GMC, Buick, Cadillac, Saab, and Isuzu applications. It is a weatherproof sealed harness with rectangular male connectors and blade terminals, made for direct replacement of damaged blower resistor wiring in vehicles such as the Chevrolet Impala, GMC Sierra, and Buick LaCrosse.

Key Features

  • Standard Ignition S2920 HVAC blower motor resistor harness
  • Weatherproof sealed connector design
  • 2 rectangular male connectors
  • Blade terminal construction with female terminals
  • 13.5 in. harness length for OE-style routing
  • 22-12 ga. wire range with 5-wire layout
  • Fits a wide range of GM truck, SUV, and car applications

Detailed Description

The Standard Ignition S2920 is a replacement HVAC blower motor resistor harness for vehicles that use a sealed, multi-wire connector interface at the blower resistor circuit. It is built with a 350 mm harness length, 0-degree bend angle, and rectangular connector shape to match common OE routing needs. This harness is listed for applications including 2000-2003 Chevrolet Impala, 2003-2005 Chevrolet Tahoe, 2003-2006 Cadillac Escalade, 2005-2009 Buick LaCrosse, 2007 GMC Sierra, and 2015-2016 Chevrolet Impala Limited. This part cross-references Monroe Shocks & Struts (e.g., CONB11405, EC2820) for the same application. Standard Ignition S2920 is a practical replacement when the original blower resistor harness shows heat damage, connector wear, or terminal deterioration.

Vehicle Fitment

  • Fits 2015-2016 Chevrolet Impala Limited, N/A
  • Fits 2013 Chevrolet Impala, N/A
  • Fits 2000-2003 Chevrolet Impala, N/A
  • Fits 2005-2009 Buick Allure, N/A
  • Fits 2006-2009 Buick LaCrosse, N/A
  • Fits 2005-2009 Saab 9-7x, N/A
  • Fits 2004-2007 Buick Rainier, N/A
  • Fits 2007 Chevrolet Cheyenne, N/A
  • Fits 2007 GMC Sierra, N/A
  • Fits 2007 GMC Sierra 1500 Classic, N/A
  • Fits 2007 GMC Sierra 2500 HD Classic, N/A
  • Fits 2003-2006 Cadillac Escalade, N/A
  • Fits 2003-2006 Chevrolet Avalanche 1500, N/A
  • Fits 2005 Buick Century, N/A
  • Fits 2003-2005 Chevrolet Avalanche 2500, N/A
  • Fits 2003-2005 Chevrolet Suburban 1500, N/A
  • Fits 2003-2005 Chevrolet Suburban 2500, N/A
  • Fits 2003-2005 Chevrolet Tahoe, N/A
  • Fits 2003-2005 GMC Yukon, N/A
  • Fits 2003-2005 GMC Yukon XL 1500, N/A
  • Fits 2003-2005 GMC Yukon XL 2500, N/A
  • Fits 2000-2003 Chevrolet Monte Carlo, N/A
  • Fits 2003 Isuzu Ascender, N/A
  • Fits 2001-2002 GMC Sierra 1500 HD, N/A
  • Fits 2001-2002 GMC Sierra 2500, N/A
  • Fits 2001-2002 GMC Sierra 3500, N/A
  • Fits 2001 GMC Sierra 2500 HD, N/A
  • Fits 1999 GMC Sierra 1500, N/A

Common Problems This Part Can Address

  • Blower motor speed loss or intermittent fan operation
  • Heat-damaged or melted resistor connector wiring
  • Corroded, loose, or broken terminals at the HVAC resistor circuit
  • Electrical resistance issues caused by worn harness connections
  • Restoring proper blower motor resistor circuit continuity after connector failure

Installation Notes and Tips

Verify connector shape, terminal style, and harness routing before installation. Inspect the blower motor resistor, adjacent wiring, and connector cavity for heat damage or corrosion, since a failed resistor or overheated terminal can damage the replacement harness. Confirm the vehicle application against the listed fitment for Chevrolet Impala, GMC Sierra, Buick LaCrosse, and related GM models before service.

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical and ignition components, and the S2920 is built to match the connector and harness requirements used in the listed GM HVAC applications. Use this part when replacing a damaged blower motor resistor harness on compatible Chevrolet, GMC, Buick, Cadillac, Saab, and Isuzu vehicles.

BrandStandard Ignition
Part NumberS2920
Weather ResistantNo
Bend Angle (Deg.)0
Connector GenderMale; male
Connector Quantity2
Connector ShapeRectangular
Gauge22-12 ga.
Harness Length (mm.)350
Harness Length - cm35
Harness Length - inches13.5
Housing Length (in)1
Terminal GenderFemale
Terminal Quantity2 + 5
Terminal TypeBlade
Weatherproof SealedYes
Wire Gauge (ga)12, 20
Wire Quantity5

This part fits 72 vehicles. Search below:

YearMakeModelPositionNotes
2016ChevroletImpala LimitedN/A
2015ChevroletImpala LimitedN/A
2013ChevroletImpalaN/A
2009BuickAllureN/A
2009BuickLaCrosseN/A
2009Saab9-7xN/A
2008BuickAllureN/A
2008BuickLaCrosseN/A
2008Saab9-7xN/A
2007BuickAllureN/A
2007BuickLaCrosseN/A
2007BuickRainierN/A
2007ChevroletCheyenneN/A
2007GMCSierraN/A
2007GMCSierra 1500 ClassicN/A
2007GMCSierra 2500 HD ClassicN/A
2007Saab9-7xN/A
2006BuickAllureN/A
2006BuickLaCrosseN/A
2006BuickRainierN/A
2006CadillacEscaladeN/A
2006ChevroletAvalanche 1500N/A
2006Saab9-7xN/A
2005BuickAllureN/A
2005BuickCenturyN/A
2005BuickRainierN/A
2005CadillacEscaladeN/A
2005ChevroletAvalanche 1500N/A
2005ChevroletAvalanche 2500N/A
2005ChevroletSuburban 1500N/A
2005ChevroletSuburban 2500N/A
2005ChevroletTahoeN/A
2005GMCYukonN/A
2005GMCYukon XL 1500N/A
2005GMCYukon XL 2500N/A
2005Saab9-7xN/A
2004BuickRainierN/A
2004CadillacEscaladeN/A
2004ChevroletAvalanche 1500N/A
2004ChevroletAvalanche 2500N/A
2004ChevroletSuburban 1500N/A
2004ChevroletSuburban 2500N/A
2004ChevroletTahoeN/A
2004GMCYukonN/A
2004GMCYukon XL 1500N/A
2004GMCYukon XL 2500N/A
2003CadillacEscaladeN/A
2003ChevroletAvalanche 1500N/A
2003ChevroletAvalanche 2500N/A
2003ChevroletImpalaN/A
2003ChevroletMonte CarloN/A
2003ChevroletSuburban 1500N/A
2003ChevroletSuburban 2500N/A
2003ChevroletTahoeN/A
2003GMCYukonN/A
2003GMCYukon XL 1500N/A
2003GMCYukon XL 2500N/A
2003IsuzuAscenderN/A
2002ChevroletImpalaN/A
2002ChevroletMonte CarloN/A
2002GMCSierra 1500 HDN/A
2002GMCSierra 2500N/A
2002GMCSierra 3500N/A
2001ChevroletImpalaN/A
2001ChevroletMonte CarloN/A
2001GMCSierra 1500 HDN/A
2001GMCSierra 2500N/A
2001GMCSierra 2500 HDN/A
2001GMCSierra 3500N/A
2000ChevroletImpalaN/A
2000ChevroletMonte CarloN/A
1999GMCSierra 1500N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

CONB11405EC2820PT2902

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.