Four Seasons 35986 HVAC Fast Idle Cut-Off Relay

Reliable HVAC Fast Idle Cut-Off Relay for Ford and Jeep Vehicles

The Four Seasons Relay 35986 is a 12-volt HVAC fast idle cut-off relay designed to meet or exceed OEM specifications. Engineered for select Ford, Jeep, Lincoln, and Mercury models, this relay ensures proper HVAC system operation and reliable vehicle performance.

• 12-volt standard relay with 30-amp amperage rating
• Five blade terminals with male terminal gender and female connector gender
• Gray color with square-shaped connector and skirt design
• Compatible with Ford Aerostar, Bronco II, Explorer, Mustang, Ranger, and more
• Meets or exceeds OEM quality standards without bracket

About the Four Seasons Relay Product Line

The Four Seasons Relay product line focuses on delivering dependable HVAC relays that maintain system integrity and vehicle comfort. The Relay series includes standard relays like the 35986, designed for precise fitment and electrical performance in various automotive HVAC applications. This ensures consistent operation of fast idle cut-off functions across multiple vehicle makes and models.

Detailed Product Description and Attributes

The Four Seasons Relay 35986 is a standard 12-volt relay featuring five blade terminals, providing secure electrical connections with a 30-amp rating suitable for HVAC fast idle cut-off circuits. Its gray housing and square connector shape with a skirt help ensure proper installation and protection. The relay is designed without a mounting bracket, allowing flexible placement within the HVAC system. Compatible with Ford Aerostar, Bronco II, Comanche, Cougar, Explorer, Lincoln Mark VII, Mercury Cougar, Mustang, Ranger, Tempo, and Topaz, this relay supports reliable HVAC operation in these vehicles.

Common Applications and Issues Addressed

• HVAC system fast idle cut-off malfunctions
• Intermittent or no HVAC blower operation
• Electrical relay failure causing HVAC control issues
• Replacement for worn or damaged OEM relays in Ford and Jeep models
• Restoring proper idle speed control related to HVAC functions

Installation Notes and Tips

When installing the Four Seasons Relay 35986, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Verify the relay terminal configuration matches the vehicle’s wiring harness, noting the five blade terminals and connector gender. The relay installs without a bracket, so secure it firmly in the designated relay socket or mounting area. Double-check all connections for tightness and corrosion before re-energizing the system.

Quality Assurance and Warranty

This Four Seasons Relay 35986 meets or exceeds OEM standards for durability and electrical performance. It undergoes rigorous testing to ensure reliable operation in HVAC fast idle cut-off applications. While specific warranty details may vary, Four Seasons products typically include a limited warranty covering defects in materials and workmanship.