Standard Ignition RCM4N Computer Control Relay

Reliable Computer Control Relay for Ford, Lincoln, and Mercury Vehicles

The Standard Ignition RCM4N is a computer control relay designed specifically for radiator fan control in select Ford, Lincoln, and Mercury models. Engineered to meet OEM specifications, this relay ensures proper electrical function and cooling system performance in vehicles like the Ford Taurus, Lincoln Continental, and Mercury Sable.

• Amperage rating of 20 amps for consistent electrical load handling
• Rectangular connector shape with 24 female blade terminals
• Includes mounting bracket(s) for secure installation
• Operates at 12 volts, compatible with standard automotive electrical systems
• Designed as a radiator fan control module relay for precise cooling management

Product Details and Specifications

The Standard Ignition RCM4N computer control relay features a 20 amp amperage rating suitable for radiator fan control applications. Its rectangular connector shape and 24 female blade terminals provide a reliable electrical connection, ensuring stable operation within the vehicle’s cooling system. The relay is not rated for continuous duty, aligning with its function to engage the radiator fan as needed rather than running constantly. The included mounting bracket(s) facilitate straightforward installation in the engine compartment, maintaining secure positioning under various driving conditions. Operating at 12 volts, this relay integrates seamlessly with the electrical systems of Ford, Lincoln, and Mercury vehicles.

Compatible Vehicles and Applications

This relay is compatible with the following makes and models:

• Ford Taurus
• Lincoln Continental
• Mercury Sable

It serves as a radiator fan control module relay, helping regulate the cooling fan operation to prevent engine overheating and maintain optimal temperature levels.

Common Issues Addressed by the RCM4N Relay

• Intermittent or non-functioning radiator fan operation
• Engine overheating due to fan relay failure
• Electrical faults causing cooling system malfunctions
• Blown fuses or relay contacts from improper amperage handling
• Loose or damaged relay mounting leading to poor electrical connection

Installation Notes and Tips

When installing the Standard Ignition RCM4N relay, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the rectangular connector aligns properly with the vehicle’s wiring harness and that all 24 female blade terminals are fully seated. Use the included mounting bracket(s) to secure the relay firmly in place, avoiding vibration or movement that could affect performance. After installation, test the radiator fan operation to confirm the relay is functioning correctly within the cooling system.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The RCM4N relay undergoes rigorous quality control testing to ensure proper electrical function and fitment. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship, supporting long-term vehicle reliability.