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Four Seasons 37599 HVAC Blower Control SwitchOE Quality 60-Day Returns
Part #: 31-649

Four Seasons 37599 HVAC Blower Control Switch

Selector Switch
12 vehicles fit this part
Select your vehicle to confirm fitment
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Selector Switch
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HVAC Blower Control Switch for Geo Prizm and Storm

Restore blower speed selection with this Four Seasons Selector Switch, part number 37599. This HVAC blower control switch is built for vehicles equipped with automatic temperature control applications and meets or exceeds OEM requirements.

Key Features

  • Four Seasons Selector Switch product line
  • HVAC blower control switch / blower selector switch
  • Male rectangular connector
  • 7-terminal design
  • Meets or exceeds OEM specifications
  • Direct-fit replacement for select Geo HVAC systems

Product Details

Four Seasons 37599 is a blower selector switch used in HVAC control systems that rely on automatic temperature control. The rectangular male connector and 7-terminal layout support the electrical interface used in select Geo Prizm and Geo Storm models. This part number 37599 is listed for 1989-1992 Geo Prizm and 1992 Geo Storm applications, including vehicles with ATC and single-zone temperature control where specified.

The Four Seasons Selector Switch line focuses on HVAC control components for repair and replacement work. For buyers searching for a Geo Prizm blower motor switch, Geo Storm selector switch, or Four Seasons 37599 HVAC blower control switch, this part provides an OE-style replacement path for the original switch assembly.

This part cross-references A10199 and SW1853 for the same application.

What It Helps Fix

  • Blower fan speeds that do not change correctly
  • Intermittent HVAC fan operation
  • No response from the blower control knob or selector
  • Worn internal switch contacts in the climate control panel
  • Loss of proper blower control in ATC-equipped systems

Installation Notes

Verify connector shape, terminal count, and vehicle HVAC configuration before ordering. Confirm fitment for your exact year, make, and model, especially on 1990-1992 Geo Prizm and 1992 Geo Storm vehicles with automatic temperature control or automatic A/C. Compare the original switch to Four Seasons 37599 to ensure the electrical connector and control layout match.

Quality Assurance

This switch meets or exceeds OEM requirements for the listed applications, supporting a reliable replacement for factory HVAC blower control operation.

BrandCardone
Part Number31-649
PositionSelector Switch
Coil Wire IncludedNo
ColorGray
Cylinders4
Distributor Cap IncludedNo
Distributor TypeMagnetic Coil
E-WasteYes
Electronic Module SuppliedYes
Ignition Rotor IncludedNo
Integrated Ignition CoilNo
Product ConditionRemanufactured

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1992GeoPrizmN/ASelector Switch
1992GeoPrizmN/APrior to purchase, ensure compatibility with vehicle's make, model, and year for HVAC Blower Control Switch.; Selector Switch
1992GeoStorm1.6LL4N/ABlower Motor Switch; w/ ATC (Automatic Temperature Control); w/ Single Zone Temp Control; Selector Switch
1992GeoStorm1.6LL4N/Aw/ ATC (Automatic Temperature Control); w/ Single Zone Temp Control; Selector Switch
1992GeoStorm1.8LL4N/ASelector Switch
1992GeoStorm1.8LL4N/APrior to purchase, ensure compatibility with vehicle's make, model, and year for HVAC Blower Control Switch.; Selector Switch
1991GeoPrizmN/ASelector Switch
1991GeoPrizmN/APrior to purchase, ensure compatibility with vehicle's make, model, and year for HVAC Blower Control Switch.; Selector Switch
1990GeoPrizmN/ABlower Motor Switch with Automatic Temperature Control (ATC); Selector Switch
1990GeoPrizmN/ACompatible with HVAC systems featuring Automatic Temperature Control (ATC).; Selector Switch
1989GeoPrizmN/ABlower Motor Switch; w/ Automatic A/C; Selector Switch
1989GeoPrizmN/AOnly compatible with automatic A/C equipped vehicles.; Selector Switch

* 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:

MD012145MD027695MD034140MD060264MD060269MD060390

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

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