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Standard Ignition RY-735 Horn Relay
| Brand | Standard Ignition RY-735 |
|---|---|
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Contents | Relay |
| Continuous Duty | No |
| Functions | Relay |
| Mounting Bracket(s) Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
| Fits | Mazda · 19 vehicles |
Direct relay replacement. 12-volt, 4-blade design for straightforward electrical service.
Rectangular connector. Female plug with male blade terminals for a secure connection.
Horn relay. Built for reliable switching in the electrical system.
Cross-references Four Seasons 20181, Standard Ignition RY-735 and AR6240 for the same application. See all 5.
Horn Relay for Mazda Applications
Standard Ignition RY-735 is a 12-volt horn relay built for direct electrical control in select Mazda vehicles. It uses a rectangular female connector, male blade terminals, and a single relay function to support reliable horn circuit operation in the listed applications.
Key Features
- 12-volt horn relay for automotive electrical systems
- Rectangular connector with 1 female connector
- 4 male blade terminals for circuit connection
- Relay function only; continuous duty: no
- No mounting bracket included
- Direct replacement style for select Mazda horn relay applications
Detailed Description
Standard Ignition RY-735 is a horn relay used in the electrical, lighting, and body system of compatible Mazda vehicles. This relay is specified with a rectangular connector shape, female connector gender, and male blade terminals, making it a practical replacement for horn circuit service where the original relay has failed or become intermittent. It is a 12-volt unit and is not rated for continuous duty. This part cross-references Four Seasons 20181 for the same application. Compatible with Mazda MX-5 Miata, Mazda RX-8, Mazda Protege, Mazda Protege5, and Mazda MPV applications listed below.
Vehicle Fitment
- Fits 2006-2011 Mazda MX-5 Miata, N/A
- Fits 2004-2005 Mazda RX-8, N/A
- Fits 1999-2003 Mazda Protege, N/A
- Fits 2002-2003 Mazda Protege5, N/A
- Fits 2000-2001 Mazda MPV, N/A
Common Issues This Relay May Solve
- Horn does not sound when the switch is pressed
- Intermittent horn operation
- Relay clicking without consistent horn activation
- Electrical control failure in the horn circuit
- Replacement need after relay contact wear or internal failure
Installation Notes and Tips
Verify connector shape, terminal count, and voltage before installation. Match the existing relay layout and terminal orientation to the vehicle’s original horn relay location. Inspect the relay socket and surrounding wiring for corrosion, heat damage, or loose terminals before installing Standard Ignition RY-735.
Quality Assurance
Standard Ignition electrical components are built for service replacement in vehicle systems that require accurate relay control and proper terminal fitment. Confirm the part number RY-735 against the original relay and vehicle application before installation.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2011 | Mazda | MX-5 Miata | — | — | N/A | — |
| 2010 | Mazda | MX-5 Miata | — | — | N/A | — |
| 2009 | Mazda | MX-5 Miata | — | — | N/A | — |
| 2008 | Mazda | MX-5 Miata | — | — | N/A | — |
| 2007 | Mazda | MX-5 Miata | — | — | N/A | — |
| 2006 | Mazda | MX-5 Miata | — | — | N/A | — |
| 2005 | Mazda | RX-8 | 1.3L | R2 | N/A | — |
| 2004 | Mazda | RX-8 | 1.3L | R2 | N/A | — |
| 2003 | Mazda | Protege | 1.6L | L4 | N/A | — |
| 2003 | Mazda | Protege | 2.0L | L4 | N/A | — |
| 2003 | Mazda | Protege | — | — | N/A | — |
| 2003 | Mazda | Protege5 | — | — | N/A | — |
| 2002 | Mazda | Protege | — | — | N/A | — |
| 2002 | Mazda | Protege5 | — | — | N/A | — |
| 2001 | Mazda | MPV | — | — | N/A | — |
| 2001 | Mazda | Protege | — | — | N/A | — |
| 2000 | Mazda | MPV | — | — | N/A | — |
| 2000 | Mazda | Protege | — | — | N/A | — |
| 1999 | Mazda | Protege | — | — | N/A | — |
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