Standard Ignition RY-81 Engine Control Module Relay

Reliable Engine Control Module Relay for Chrysler and Mitsubishi Vehicles

The Standard Ignition RY-81 Engine Control Module (ECM) Relay is designed to provide consistent performance for a range of Chrysler, Dodge, Mitsubishi, and Plymouth models. This relay ensures proper power delivery to the ECM, supporting engine management and vehicle operation.

• Compatible with Chrysler, Dodge, Mitsubishi, and Plymouth vehicles
• Fits models including Colt, Eclipse, Galant, Lancer, Montero, Ram 50, and more
• Part number RY-81 for precise identification and fitment
• Engine Control Module (ECM) relay type for critical engine management functions
• Durable construction to withstand automotive operating conditions

Product Details and Compatibility

The Standard Ignition RY-81 ECM relay is engineered to meet the electrical requirements of various engine control systems in select Chrysler, Dodge, Mitsubishi, and Plymouth vehicles. This relay supports models such as the Mitsubishi Eclipse, Galant, Lancer, Montero, and Ram 50, as well as Chrysler and Dodge models like the Colt, Conquest, Daytona, and Ram 50. By ensuring reliable switching of the ECM power circuit, the RY-81 helps maintain stable engine performance and control.

Common Applications and Problem Resolution

• Resolves intermittent engine starting issues related to ECM power supply
• Addresses engine stalling caused by faulty ECM relay operation
• Prevents electrical faults that can trigger check engine lights
• Supports consistent engine management system function
• Eliminates relay-related power interruptions to the ECM

Installation Notes and Tips

When installing the Standard Ignition RY-81 ECM relay, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Verify the relay socket matches the RY-81 pin configuration before installation. It is recommended to inspect related fuses and wiring harnesses for damage or corrosion during replacement. Proper seating of the relay in the socket is essential for reliable operation.

Quality Assurance and Warranty Information

Standard Ignition manufactures the RY-81 ECM relay to meet or exceed OEM specifications for fit, form, and function. This relay undergoes rigorous testing to ensure durability and consistent electrical performance under typical automotive conditions. While specific warranty details may vary, Standard Ignition products generally include a limited warranty against defects in materials and workmanship.