OE Quality
60-Day Returns

Four Seasons 35775 HVAC Blower Relay
Reliable HVAC Blower Relay for Buick LeSabre
The Four Seasons Relay 35775 is a 12-volt HVAC blower relay designed specifically for Buick LeSabre models. Engineered to meet or exceed OEM standards, this standard relay ensures consistent performance and durability in your vehicle's HVAC system.
- 12-volt operating voltage
- Blade terminal type with 5 terminals
- Male connector and terminal gender
- 25-amp amperage rating
- Includes mounting bracket for secure installation
- Metal color with a unique connector shape
- Standard relay style and type
- Meets or exceeds OEM specifications
About the Four Seasons Relay Product Line
The Four Seasons Relay product line focuses on providing reliable and durable relays for automotive HVAC systems. The Relay series includes components designed to maintain proper electrical function within heating, ventilation, and air conditioning circuits. The 35775 HVAC blower relay is part of this line, offering a standard relay solution with a secure bracket and blade terminals tailored for Buick LeSabre applications.
Detailed Product Description
This HVAC blower relay operates at 12 volts and features a 25-amp rating suitable for controlling the blower motor in the HVAC system of Buick LeSabre vehicles. The relay uses blade-type terminals with a total of five connections, all male, ensuring compatibility with the vehicle’s wiring harness. The included bracket allows for stable mounting, reducing vibration and potential connection issues. Its metal color and unique connector shape are designed to fit securely and maintain electrical integrity under normal operating conditions.
Common Applications and Issues Addressed
- HVAC blower motor not activating or intermittent operation
- Blower relay failure causing no air circulation in the cabin
- Electrical faults related to HVAC blower control circuits
- Replacement for worn or damaged OEM blower relays in Buick LeSabre
- Ensuring consistent blower motor performance for climate control
Installation Notes and Tips
When installing the Four Seasons Relay 35775, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Verify the relay terminals match the vehicle’s connector and that the bracket is securely fastened to avoid vibration damage. Properly seating the male blade terminals will ensure reliable electrical contact. Consult the Buick LeSabre service manual for specific relay location and wiring diagrams.
Quality Assurance and Warranty
The Four Seasons Relay 35775 is manufactured to meet or exceed OEM specifications, providing dependable performance in HVAC blower applications. This part undergoes quality control testing to ensure durability and electrical reliability. Warranty coverage details should be confirmed with the product provider or manufacturer.
| Brand | Four Seasons |
| Part Number | 35775 |
| Position | Relay |
| Amperage Rating | 25 |
| Bracket? | w/ Bracket |
| Color | metal |
| Connector Gender | Male |
| Connector Shape | Other design |
| Description | Relays |
| Meets / Exceeds OEM? | Yes |
| Skirt? | No |
| Style | Standard Relay |
| Terminal Gender | Male |
| Terminal Quantity | 5 |
| Terminal Type | Blade |
| Type | Standard |
| Voltage | 12 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1972 | Buick | LeSabre | Sedan | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Wagon | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Coupe | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Convertible | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Hardtop | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Sedan | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Wagon | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Coupe | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Convertible | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1972 | Buick | LeSabre | Hardtop | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Sedan | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Wagon | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Coupe | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Convertible | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Hardtop | 5.7L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Sedan | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Wagon | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Coupe | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Convertible | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
| 1971 | Buick | LeSabre | Hardtop | 7.5L | V8 | N/A | Hi-Low Blower Relay; Relay |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.