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Standard Ignition RY-684 Starter Relay
| Brand | Standard Ignition RY-684 |
|---|---|
| Mounting Bracket Included | No |
| Amperage Rating | 30 a |
| Connector Shape | Rectangular |
| Contents | Relay |
| Continuous Duty | No |
| Functions | Relay |
| Terminal Gender | Male |
| Terminal Quantity | 4 |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Mazda and Subaru · 34 vehicles |
Starter relay. 12-volt, 30-amp relay with a rectangular blade connector.
4-terminal design. Male blade terminals for straightforward electrical connection.
Cross-references Standard Ignition RY-684, 16342 and AR6189 for the same application. See all 5.
Starter Relay for Mazda and Subaru Applications
Standard Ignition RY-684 is a 12-volt starter relay built for electrical starting circuits that use a 4-terminal blade connection. It features a rectangular connector shape, male terminals, and a 30 amp amperage rating for direct replacement use in supported Mazda and Subaru applications.
Key Features
- 12-volt starter relay for starting system control
- 30 amp amperage rating
- Rectangular connector shape with 4 male blade terminals
- Functions as a relay in the electrical, charging, and starting system
- Fits applications including Mazda 6, Mazda RX-8, Mazda MX-5, Mazda MX-5 Miata, Mazda MPV, and Subaru Forester
- Standard Ignition RY-684 replacement part number
Detailed Description
Standard Ignition RY-684 is a starter relay used in vehicle starting circuits where a 12-volt relay with a rectangular connector and blade-style terminals is required. The 4-terminal layout and 30 amp rating make it a direct-match electrical component for supported vehicles, including 2009-2013 Mazda 6, 2004-2009 Mazda RX-8, 2006-2008 Mazda MX-5, 2006-2008 Mazda MX-5 Miata, 2002-2006 Mazda MPV, and 1998-2007 Subaru Forester. This part cross-references 16342 and R6189 for the same application.
What It Helps Address
- No-crank condition when the starter circuit is not switching properly
- Intermittent starter engagement caused by relay contact wear
- Electrical starting faults related to a failed 12-volt relay
- Starting circuit issues in Mazda 6, Mazda RX-8, Mazda MX-5, Mazda MX-5 Miata, Mazda MPV, and Subaru Forester applications
- Replacement needs for a 4-terminal blade relay with a rectangular connector
Installation Notes and Tips
Verify the connector shape, terminal count, terminal gender, and voltage rating against the original relay before installation. Confirm the vehicle uses a 4-terminal starter relay configuration, including the 2006 Mazda MX-5 square relay application and the 2010 Mazda RX-8 4-terminal note. Match the relay location and wiring layout to the original part for proper fitment.
Quality Assurance
Standard Ignition electrical components are built for service in starting and charging system applications. RY-684 is identified as a direct replacement relay for the listed fitments and interchange references.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2013 | Mazda | 6 | 2.5L | L4 | — |
| 2012 | Mazda | 6 | 2.5L | L4 | — |
| 2011 | Mazda | 6 | 2.5L | L4 | — |
| 2010 | Mazda | 6 | 2.5L | L4 | — |
| 2010 | Mazda | RX-8 | — | — | 4 Term. |
| 2009 | Mazda | 6 | 2.5L | L4 | — |
| 2009 | Mazda | RX-8 | — | — | — |
| 2008 | Mazda | MX-5 | — | — | — |
| 2008 | Mazda | MX-5 Miata | — | — | — |
| 2008 | Mazda | RX-8 | — | — | — |
| 2007 | Mazda | MX-5 | — | — | — |
| 2007 | Mazda | MX-5 Miata | — | — | — |
| 2007 | Mazda | RX-8 | — | — | — |
| 2007 | Subaru | Forester | — | — | — |
| 2006 | Mazda | MPV | — | — | — |
| 2006 | Mazda | MX-5 | — | — | Square Relay |
| 2006 | Mazda | MX-5 | — | — | — |
| 2006 | Mazda | MX-5 Miata | — | — | — |
| 2006 | Mazda | RX-8 | — | — | — |
| 2006 | Subaru | Forester | — | — | — |
| 2005 | Mazda | MPV | — | — | — |
| 2005 | Mazda | RX-8 | — | — | — |
| 2005 | Subaru | Forester | — | — | — |
| 2004 | Mazda | MPV | — | — | — |
| 2004 | Mazda | RX-8 | — | — | — |
| 2004 | Subaru | Forester | — | — | — |
| 2003 | Mazda | MPV | — | — | — |
| 2003 | Subaru | Forester | — | — | — |
| 2002 | Mazda | MPV | — | — | — |
| 2002 | Subaru | Forester | — | — | — |
| 2001 | Subaru | Forester | — | — | — |
| 2000 | Subaru | Forester | — | — | — |
| 1999 | Subaru | Forester | — | — | — |
| 1998 | Subaru | Forester | — | — | — |
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