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Dorman 973-537 HVAC Blower Motor Resistor KitOE Quality 60-Day Returns
Part #: 973-537

Dorman 973-537 HVAC Blower Motor Resistor Kit

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⚙️ 138 vehicles fit this part
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🚗Fitment: Chevrolet and GMC, Blazer, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, Yukon, R1500 Suburban, R2500 Suburban, R3500, V1500 Suburban, V2500 Suburban, V3500, Jimmy, R2500, R10 Suburban, R20, R20 Suburban, R30, V10 Suburban, V20 Suburban, and V30
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Overview of Dorman HVAC Blower Motor Resistor Kit 973-537

The Dorman HVAC Blower Motor Resistor Kit 973-537 is designed to restore proper blower motor function in select Chevrolet and GMC vehicles. This kit includes a blower motor resistor and a wiring harness, engineered to ensure reliable electrical connections and consistent HVAC performance.

  • Includes 1 blower motor resistor and 1 wiring harness
  • Wiring harness length: 6 inches for optimal fit
  • Blade terminal type with 3 male terminals
  • Female connector gender for secure connection
  • Two mounting holes for stable installation
  • Wiring harness included for direct replacement
  • No mounting hardware or gasket/seal included

Detailed Product Description

This HVAC blower motor resistor kit from Dorman is specifically designed for use in Chevrolet and GMC models such as the Blazer, C1500, C2500, C3500, Jimmy, K1500, K2500, K3500, Yukon, and various Suburban and R-series trucks. The kit features a 6-inch wiring harness with three wires and blade-type terminals, providing a reliable electrical connection between the blower motor and the vehicle’s HVAC system. The resistor controls the blower motor speed by regulating current flow, ensuring proper fan operation across multiple speed settings.

Compatible Vehicles and Common Applications

  • Chevrolet Blazer and Jimmy models
  • Chevrolet C1500, C2500, C3500, and Suburban variants
  • GMC K1500, K2500, K3500, Yukon, and Suburban models
  • R-series trucks including R10, R20, R30, R1500, R2500, R3500
  • V-series Suburban models such as V10, V20, V30, V1500, V2500, V3500

Common Issues Addressed by This Resistor Kit

  • Blower motor only works on high speed or not at all
  • Intermittent blower motor operation or inconsistent fan speeds
  • HVAC blower motor resistor failure causing loss of fan control
  • Electrical connection problems due to damaged wiring harness
  • Overheating or burning smell from faulty resistor components

Installation Notes and Tips

Installation of the Dorman 973-537 blower motor resistor kit requires removal of the old resistor and wiring harness from the HVAC housing. The included wiring harness with blade terminals and female connectors allows for a direct plug-and-play replacement. Ensure the two mounting holes align properly for secure attachment. While mounting hardware is not included, original fasteners can be reused. Verify all electrical connections are tight and free of corrosion before final assembly.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 973-537 blower motor resistor kit undergoes rigorous testing to ensure durability and reliable performance in demanding automotive environments. This product is backed by Dorman’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandDorman
Part Number973-537
Connector GenderFemale
Connector Quantity0
Gasket or Seal IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Package Contents1 Blower Motor Resistor; 1 Wire Harness
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade
Wire Quantity3
Wiring Harness IncludedYes
Wiring Harness Length6

This part fits 138 vehicles. Search below:

YearMakeModelPositionNotes
1994ChevroletBlazerN/A
1994ChevroletC1500N/A
1994ChevroletC1500 SuburbanN/A
1994ChevroletC2500N/A
1994ChevroletC2500 SuburbanN/A
1994ChevroletC3500N/A
1994ChevroletK1500N/A
1994ChevroletK1500 SuburbanN/A
1994ChevroletK2500N/A
1994ChevroletK2500 SuburbanN/A
1994ChevroletK3500N/A
1994GMCC1500N/A
1994GMCC1500 SuburbanN/A
1994GMCC2500N/A
1994GMCC2500 SuburbanN/A
1994GMCC3500N/A
1994GMCK1500N/A
1994GMCK1500 SuburbanN/A
1994GMCK2500N/A
1994GMCK2500 SuburbanN/A
1994GMCK3500N/A
1994GMCYukonN/A
1993ChevroletBlazerN/A
1993ChevroletC1500N/A
1993ChevroletC1500 SuburbanN/A
1993ChevroletC2500N/A
1993ChevroletC2500 SuburbanN/A
1993ChevroletC3500N/A
1993ChevroletK1500N/A
1993ChevroletK1500 SuburbanN/A
1993ChevroletK2500N/A
1993ChevroletK2500 SuburbanN/A
1993ChevroletK3500N/A
1993GMCC1500N/A
1993GMCC1500 SuburbanN/A
1993GMCC2500N/A
1993GMCC2500 SuburbanN/A
1993GMCC3500N/A
1993GMCK1500N/A
1993GMCK1500 SuburbanN/A
1993GMCK2500N/A
1993GMCK2500 SuburbanN/A
1993GMCK3500N/A
1993GMCYukonN/A
1992ChevroletBlazerN/A
1992ChevroletC1500N/A
1992ChevroletC1500 SuburbanN/A
1992ChevroletC2500N/A
1992ChevroletC2500 SuburbanN/A
1992ChevroletC3500N/A
1992ChevroletK1500N/A
1992ChevroletK1500 SuburbanN/A
1992ChevroletK2500N/A
1992ChevroletK2500 SuburbanN/A
1992ChevroletK3500N/A
1992GMCC1500N/A
1992GMCC1500 SuburbanN/A
1992GMCC2500N/A
1992GMCC2500 SuburbanN/A
1992GMCC3500N/A
1992GMCK1500N/A
1992GMCK1500 SuburbanN/A
1992GMCK2500N/A
1992GMCK2500 SuburbanN/A
1992GMCK3500N/A
1992GMCYukonN/A
1991ChevroletBlazerN/ACompatible with models that do not have air conditioning.
1991ChevroletC1500N/A
1991ChevroletC2500N/A
1991ChevroletC3500N/A
1991ChevroletK1500N/ACompatible with models that do not have air conditioning.
1991ChevroletK2500N/ACompatible with models that do not have air conditioning.
1991ChevroletK3500N/ACompatible with models that do not have air conditioning.
1991ChevroletR1500 SuburbanN/ACompatible with models that do not have air conditioning.
1991ChevroletR2500 SuburbanN/ACompatible with models that do not have air conditioning.
1991ChevroletR3500N/ACompatible with models that do not have air conditioning.
1991ChevroletV1500 SuburbanN/ACompatible with models that do not have air conditioning.
1991ChevroletV2500 SuburbanN/ACompatible with models that do not have air conditioning.
1991ChevroletV3500N/ACompatible with models that do not have air conditioning.
1991GMCC1500N/A
1991GMCC2500N/A
1991GMCC3500N/A
1991GMCJimmyN/ACompatible with models that do not have air conditioning.
1991GMCK1500N/ACompatible with models that do not have air conditioning.
1991GMCK2500N/ACompatible with models that do not have air conditioning.
1991GMCK3500N/ACompatible with models that do not have air conditioning.
1991GMCR1500 SuburbanN/ACompatible with models that do not have air conditioning.
1991GMCR2500 SuburbanN/ACompatible with models that do not have air conditioning.
1991GMCR3500N/ACompatible with models that do not have air conditioning.
1991GMCV1500 SuburbanN/ACompatible with models that do not have air conditioning.
1991GMCV2500 SuburbanN/ACompatible with models that do not have air conditioning.
1991GMCV3500N/ACompatible with models that do not have air conditioning.
1990ChevroletBlazerN/Aw/Heavy Duty Heater
1990ChevroletR1500 SuburbanN/Aw/Heavy Duty Heater
1990ChevroletR2500 SuburbanN/Aw/Heavy Duty Heater
1990ChevroletR3500N/Aw/Heavy Duty Heater
1990ChevroletV1500 SuburbanN/Aw/Heavy Duty Heater
1990ChevroletV2500 SuburbanN/Aw/Heavy Duty Heater
1990ChevroletV3500N/Aw/Heavy Duty Heater
1990GMCJimmyN/Aw/Heavy Duty Heater
1990GMCR1500 SuburbanN/Aw/Heavy Duty Heater
1990GMCR2500 SuburbanN/Aw/Heavy Duty Heater
1990GMCR3500N/Aw/Heavy Duty Heater
1990GMCV1500 SuburbanN/Aw/Heavy Duty Heater
1990GMCV2500 SuburbanN/Aw/Heavy Duty Heater
1990GMCV3500N/Aw/Heavy Duty Heater
1989ChevroletBlazerN/Aw/Heavy Duty Heater
1989ChevroletR1500 SuburbanN/Aw/Heavy Duty Heater
1989ChevroletR2500N/Aw/Heavy Duty Heater
1989ChevroletR2500 SuburbanN/Aw/Heavy Duty Heater
1989ChevroletR3500N/Aw/Heavy Duty Heater
1989ChevroletV1500 SuburbanN/Aw/Heavy Duty Heater
1989ChevroletV2500 SuburbanN/Aw/Heavy Duty Heater
1989ChevroletV3500N/Aw/Heavy Duty Heater
1989GMCJimmyN/Aw/Heavy Duty Heater
1989GMCR1500 SuburbanN/Aw/Heavy Duty Heater
1989GMCR2500N/Aw/Heavy Duty Heater
1989GMCR2500 SuburbanN/Aw/Heavy Duty Heater
1989GMCR3500N/Aw/Heavy Duty Heater
1989GMCV1500 SuburbanN/Aw/Heavy Duty Heater
1989GMCV2500 SuburbanN/Aw/Heavy Duty Heater
1989GMCV3500N/Aw/Heavy Duty Heater
1988ChevroletBlazerN/Aw/Heavy Duty Heater
1988ChevroletR10 SuburbanN/Aw/Heavy Duty Heater
1988ChevroletR20N/Aw/Heavy Duty Heater
1988ChevroletR20 SuburbanN/Aw/Heavy Duty Heater
1988ChevroletR30N/Aw/Heavy Duty Heater
1988ChevroletV10 SuburbanN/Aw/Heavy Duty Heater
1988ChevroletV20 SuburbanN/Aw/Heavy Duty Heater
1988ChevroletV30N/Aw/Heavy Duty Heater
1988GMCJimmyN/Aw/Heavy Duty Heater
1988GMCR1500 SuburbanN/Aw/Heavy Duty Heater
1988GMCR2500N/Aw/Heavy Duty Heater
1988GMCR2500 SuburbanN/Aw/Heavy Duty Heater
1988GMCR3500N/Aw/Heavy Duty Heater
1988GMCV1500 SuburbanN/Aw/Heavy Duty Heater
1988GMCV2500 SuburbanN/Aw/Heavy Duty Heater
1988GMCV3500N/Aw/Heavy Duty Heater

* 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:

155516333A1030DR791RU402RU904

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