Four Seasons 35925 HVAC Relay

HVAC Relay for Ford and Mercury Applications

Four Seasons Relay 35925 is a standard 12-volt HVAC relay built with a blade terminal design and a male connector layout. It is rated at 20 amps and includes a mounting bracket, making it a direct-fit electrical replacement for select Ford, Lincoln, and Mercury climate control systems.

Compatible with HVAC systems on 1974-1982 Ford and Mercury vehicles, including Ford E-100 Econoline, F-150, F-250, and Mercury Cougar applications. Four Seasons Relay 35925 is also listed for 1980 Lincoln Continental models equipped with Automatic Temperature Control (ATC).

Key Features

• 12-volt standard HVAC relay
• 20-amp amperage rating
• Blade terminal type with 3 terminals
• Male connector and male terminal design
• Includes bracket for mounting
• Silver finish
• Meets or exceeds OEM requirements
• Standard relay style and standard type construction

Product Details

Four Seasons Relay 35925 is part of the Relay product line and is built for HVAC electrical control in older Ford, Lincoln, and Mercury platforms. The relay uses a 1-connector, 3-terminal configuration with an other-design connector shape, supporting straightforward replacement in systems that call for this exact electrical layout. This part cross-references Gates 19881 and Anchor 2557 for the same application.

Use Four Seasons Relay 35925 when servicing HVAC relay circuits on vehicles such as the Ford E-150 Econoline, Ford F-350, and Mercury Marquis. The part number 35925 is also referenced across multiple interchange listings, which helps confirm application matching for restoration and repair work on classic truck and car HVAC systems.

Common Problems This Relay Can Address

• HVAC blower or control circuit relay failure
• Intermittent climate control operation
• No response from the HVAC relay circuit
• Electrical switching issues in ATC-equipped systems
• Replacement needs for aging factory relay components

Installation Notes and Tips

Verify the terminal count, connector shape, and amperage rating before installation. Confirm the vehicle’s HVAC relay location and compare the original relay to Four Seasons Relay 35925 to ensure the blade terminals and bracket style match the existing setup. For 1980 Lincoln Continental models, confirm Automatic Temperature Control (ATC) equipment before ordering.

Quality Assurance

Four Seasons states that this relay meets or exceeds OEM requirements, supporting a direct replacement standard for HVAC electrical service. The Relay line is built for application-specific fitment across confirmed Ford, Lincoln, and Mercury vehicles.