Four Seasons 35777 HVAC Blower Motor Cut-Out Relay

Reliable HVAC Blower Motor Cut-Out Relay for GM Vehicles

The Four Seasons Relay 35777 is a 12-volt HVAC blower motor cut-out relay designed for select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models. Engineered to meet or exceed OEM specifications, this relay ensures consistent performance in your vehicle's heating and cooling system.

• 12 Volt operating voltage
• 30 Amp amperage rating for reliable current handling
• Five blade terminals with male and female connector genders
• Includes mounting bracket and protective skirt
• Rectangular connector shape in silver finish
• Standard style relay compatible with multiple GM models

About the Four Seasons Relay Product Line

The Relay product line from Four Seasons focuses on durable and precise HVAC relays designed to maintain proper blower motor function. The Relay 35777 is part of this line, offering a standard relay style with a secure bracket and skirt for protection. This ensures stable electrical connections and long-lasting operation in various GM vehicles.

Product Details and Specifications

This HVAC blower motor cut-out relay operates at 12 volts and supports up to 30 amps, suitable for controlling blower motor circuits in heating and air conditioning systems. It features five blade terminals with a combination of male and female connectors, facilitating straightforward installation and reliable electrical contact. The included bracket and skirt provide added stability and protection against environmental factors. The relay's silver color and rectangular connector shape align with OEM design standards.

Compatible Vehicles and Applications

• Buick models including Skylark and Starfire
• Chevrolet models such as Camaro, Caprice, Corvette, and various C-series trucks
• GMC trucks including Jimmy, Sierra, and Suburban variants
• Oldsmobile models like Omega and Cutlass
• Pontiac vehicles including Firebird and Grand Am

This relay is ideal for replacing faulty blower motor cut-out relays in these vehicles to restore proper HVAC blower operation.

Common Issues Addressed by This Relay

• Intermittent or non-functioning blower motor
• HVAC blower stuck on high or low speed
• Electrical relay failure causing blower motor cut-out
• Blower motor not responding to control inputs
• Overheating or relay contact wear affecting blower operation

Installation Notes and Tips

When installing the Four Seasons Relay 35777, ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical shorts. Verify the relay terminals match the vehicle's wiring harness connectors, noting the blade terminal types and genders. Use the included bracket to secure the relay firmly in place and confirm the skirt is properly positioned to protect the relay from debris and moisture. Consult the vehicle's service manual for specific relay location and wiring diagrams.

Quality Assurance and Warranty

The Four Seasons Relay 35777 meets or exceeds OEM standards for fit, form, and function. Manufactured with quality materials and tested for durability, this relay is backed by Four Seasons' commitment to reliability. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.