Four Seasons 35747 Engine Cooling Fan Motor Relay

Engine Cooling Fan Relay for OE-Style Control

Four Seasons Relay 35747 is a 12-volt standard relay built for engine cooling fan motor control. It uses a 5-blade terminal layout, a female connector, and a 40-amp amperage rating to support electrical switching in the cooling system. This relay meets or exceeds OEM requirements and is built with a bracket and skirt for a secure fit.

Key Features

• 12-volt standard relay for engine cooling fan motor circuits
• 5 blade terminals with female connector and male/female terminal gender
• 40-amp amperage rating for cooling fan relay service
• Bracket and skirt design for a stable mounting profile
• Black housing with standard relay construction
• Meets or exceeds OEM specifications

Product Details

Four Seasons Relay line focuses on replacement electrical components for vehicle climate and cooling systems. Part number 35747 is a standard relay used in engine cooling fan applications where reliable switching is required. It is listed for a range of vehicles including 2002 Chevrolet Prizm, 1993-1994 Chevrolet G10, 1993-1994 Chevrolet G20, 1993-1994 Chevrolet G30, 1993-1994 GMC G1500, 1993-1994 GMC G2500, 1993-1994 GMC G3500, 1993 Cadillac Commercial Chassis, 1993 Cadillac Fleetwood, 1992 Chevrolet S10, 1992 Oldsmobile Bravada, 1988-1991 Buick Skylark, 1991 Chevrolet Cavalier, 1987-1988 Oldsmobile Firenza, 1987 Buick Skylark, 1984 Cadillac Commercial Chassis, and 1977-1984 Cadillac DeVille and Fleetwood. This part cross-references Gates 1260 for the same application.

Common Problems This Relay Can Address

• Cooling fan not switching on when engine temperature rises
• Intermittent fan operation caused by relay contact wear
• Electrical relay failure in the fan control circuit
• Overheating concerns related to fan command loss
• Faulty relay response in vehicles with automatic A/C or harness-specific configurations

Installation Notes and Tips

Verify terminal count, connector style, and bracket/skirt configuration before installation. Confirm the vehicle application against the listed fitment, especially on 1993 Cadillac Commercial Chassis and Fleetwood models with automatic A/C equipment, and on 1991 Chevrolet Cavalier vehicles with harness kit notes. For 1984 Cadillac Commercial Chassis and 1977-1984 Cadillac DeVille and Fleetwood, confirm Bosch upgrade requirements before replacement. Match the relay to the original cooling fan circuit layout for proper operation.

Quality Assurance

Four Seasons 35747 is built to meet or exceed OEM specifications for the listed applications. The relay line is intended to provide OE-style electrical performance for cooling fan control in compatible Chevrolet, GMC, Buick, Oldsmobile, and Cadillac vehicles.