Standard Ignition RY-402 Engine Control Module Relay

Reliable Engine Control Module Relay for Dodge and Mitsubishi Vehicles

The Standard Ignition RY-402 Engine Control Module (ECM) Relay is designed to provide dependable performance for select Dodge and Mitsubishi models. This relay ensures proper power delivery to the ECM, supporting optimal engine management and vehicle operation.

• Compatible with Dodge 3000GT, Mitsubishi 3000GT, Diamante, and Stealth models
• Direct replacement for the ECM relay to maintain factory specifications
• Durable construction for consistent electrical performance
• Part number RY-402 for precise identification and fitment

Product Details and Compatibility

The Standard Ignition RY-402 ECM relay is engineered to meet the electrical requirements of the engine control system in Dodge and Mitsubishi vehicles, specifically the 3000GT, Diamante, and Stealth models. This relay plays a critical role in supplying power to the engine control module, which manages fuel injection, ignition timing, and other essential engine functions. Using the correct relay like the RY-402 helps maintain the integrity of the vehicle’s engine management system and prevents electrical faults.

Common Applications and Issues Addressed

• Resolves intermittent engine starting problems related to ECM power supply
• Prevents engine stalling caused by faulty relay operation
• Eliminates electrical faults that trigger check engine lights
• Supports stable engine performance by ensuring consistent ECM power
• Replaces worn or damaged relays to restore proper engine control function

Installation Notes and Tips

Installation of the Standard Ignition RY-402 ECM relay should be performed with the vehicle turned off and the battery disconnected to avoid electrical hazards. Locate the existing ECM relay in the engine compartment fuse box or relay panel, typically specified in the vehicle’s service manual. Remove the old relay by pulling it straight out and replace it with the RY-402, ensuring a secure fit. After installation, reconnect the battery and verify proper engine start and operation.

Quality Assurance and Warranty Information

Standard Ignition manufactures the RY-402 ECM relay to meet or exceed OEM standards for reliability and durability. Each relay undergoes quality control testing to ensure consistent electrical performance. While specific warranty details may vary, Standard Ignition products typically include a limited warranty against defects in materials and workmanship, providing confidence in the part’s longevity and function.