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Four Seasons 37599 HVAC Blower Control Switch
| Brand | Four Seasons 31-649 |
|---|---|
| Coil Wire Included | No |
| Color | Gray |
| Cylinders | 4 |
| Distributor Cap Included | No |
| Distributor Type | Magnetic Coil |
| E-Waste | Yes |
| Electronic Module Supplied | Yes |
| Ignition Rotor Included | No |
| Integrated Ignition Coil | No |
| Product Condition | Remanufactured |
| Product line | Selector Switch |
| Fits | —12 vehicles |
OE direct replacement. Meets OEM requirements for dependable HVAC control.
Selector switch. Controls blower operation with a rectangular male connector.
7 terminals. Provides the needed electrical connections for the switch.
Cross-references Four Seasons 37599, 94845910 and A10199 for the same application. See all 4.
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.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1992 | Geo | Prizm | — | — | N/A | Selector Switch |
| 1992 | Geo | Prizm | — | — | N/A | Prior to purchase, ensure compatibility with vehicle's make, model, and year for HVAC Blower Control Switch.; Selector Switch |
| 1992 | Geo | Storm | 1.6L | L4 | N/A | Blower Motor Switch; w/ ATC (Automatic Temperature Control); w/ Single Zone Temp Control; Selector Switch |
| 1992 | Geo | Storm | 1.6L | L4 | N/A | w/ ATC (Automatic Temperature Control); w/ Single Zone Temp Control; Selector Switch |
| 1992 | Geo | Storm | 1.8L | L4 | N/A | Selector Switch |
| 1992 | Geo | Storm | 1.8L | L4 | N/A | Prior to purchase, ensure compatibility with vehicle's make, model, and year for HVAC Blower Control Switch.; Selector Switch |
| 1991 | Geo | Prizm | — | — | N/A | Selector Switch |
| 1991 | Geo | Prizm | — | — | N/A | Prior to purchase, ensure compatibility with vehicle's make, model, and year for HVAC Blower Control Switch.; Selector Switch |
| 1990 | Geo | Prizm | — | — | N/A | Blower Motor Switch with Automatic Temperature Control (ATC); Selector Switch |
| 1990 | Geo | Prizm | — | — | N/A | Compatible with HVAC systems featuring Automatic Temperature Control (ATC).; Selector Switch |
| 1989 | Geo | Prizm | — | — | N/A | Blower Motor Switch; w/ Automatic A/C; Selector Switch |
| 1989 | Geo | Prizm | — | — | N/A | Only compatible with automatic A/C equipped vehicles.; Selector Switch |
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