Standard Ignition RY-1789 Main Relay

Reliable Main Relay for Subaru Vehicles

The Standard Ignition RY-1789 main relay is designed to provide dependable electrical performance for various Subaru models. Engineered with a rectangular connector and four male blade terminals, this 12-volt relay ensures consistent operation in your vehicle's electrical system.

• Compatible with Subaru Ascent, BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, WRX STI, and XV Crosstrek
• 12-volt main relay with four male blade terminals
• Rectangular connector shape for secure fitment
• Does not include mounting bracket
• Part number RY-1789 for precise identification

Technical Details and Features

The Standard Ignition RY-1789 main relay operates at 12 volts and features four male blade terminals arranged in a rectangular connector shape. This configuration supports reliable electrical connections within the vehicle's relay system. The relay functions as a critical switch, controlling power flow to essential components. Although it does not include a mounting bracket, the relay is designed for straightforward integration into the existing relay housing of compatible Subaru models.

Applications and Common Issues Addressed

• Restores proper electrical relay function in Subaru Ascent, BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, WRX STI, and XV Crosstrek
• Resolves intermittent power loss or electrical failures related to the main relay
• Addresses starting issues caused by faulty relay operation
• Prevents electrical component malfunctions due to relay wear
• Supports stable voltage supply to critical vehicle systems

Installation Notes and Tips

When installing the Standard Ignition RY-1789 main relay, ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical shorts. Verify the rectangular connector aligns correctly with the vehicle's relay socket. Since this relay does not include a mounting bracket, use the existing bracket or housing in the vehicle for secure placement. Confirm all four blade terminals are fully seated to maintain proper electrical contact.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The RY-1789 main relay undergoes rigorous testing to verify electrical integrity and fitment accuracy. Please refer to Standard Ignition's warranty policy for coverage details on this relay.