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Standard Ignition RY1974 Engine Control Module (ECM) Relay
| Brand | Standard Ignition RY1974 |
|---|---|
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Square |
| Contents | Relay |
| Functions | Relay |
| Hardware Included | Bracket |
| Mounting Bracket(s) Included | Yes |
| Mounting Hole Quantity | 1 |
| Mounting Type | Bolt mount |
| Spring Included | No |
| Terminal Gender | Male |
| Terminal Quantity | 8 |
| Terminal Type | Pin |
| Voltage | 12 |
| Fits | Subaru and Toyota · 8 vehicles |
Bolt-mount design. Installs securely with a single mounting hole and included bracket.
Relay function. Provides dependable switching for engine control module circuits.
12-volt relay. Built for standard automotive electrical systems.
Cross-references Standard Ignition RY1974, AR7477 and R7477 for the same application. See all 4.
Engine Control Module Relay for Subaru BRZ and Toyota 86
Standard Ignition RY1974 is an engine control module (ECM) relay built for 12-volt electrical systems. It features a square female connector, 8 male pin terminals, and a bolt-mount design with an included mounting bracket for a secure installation point.
Fits 2017-2020 Subaru BRZ and Fits 2017-2020 Toyota 86. This ECM relay is a direct replacement option for vehicles that need reliable relay control in the engine management circuit.
Key Features
- Engine Control Module (ECM) relay for 12-volt systems
- Square female connector with 8 male pin terminals
- Bolt-mount design with one mounting hole
- Bracket included for mounting support
- Standard Ignition RY1974 part number for catalog matching
- Cross-references Standard Ignition RY1974 for the same application
Detailed Description
Standard Ignition RY1974 is an ECM relay used in the engine control circuit to help manage electrical switching for the module. The relay uses a square connector layout with a single female connector and male pin terminals, making it a fitment-specific replacement for the listed Subaru BRZ and Toyota 86 model years. If you are searching for a 2017-2020 Subaru BRZ ECM relay or a 2017-2020 Toyota 86 engine control module relay, this part number provides a direct catalog match.
What It Can Help Resolve
- Engine control module power or relay circuit faults
- No-start conditions related to relay switching
- Intermittent electrical operation in the ECM circuit
- Relay-related diagnostic trouble codes
- Loss of engine management power feed
Installation Notes and Tips
Verify connector shape, terminal count, and mounting style before installation. Confirm the vehicle uses a 12-volt ECM relay with the same bolt-mount layout and bracket arrangement. Match the part number RY1974 against the original relay and inspect the connector for corrosion, heat damage, or bent terminals before reconnecting.
Quality Assurance
Standard Ignition supplies replacement electrical components for automotive service applications. RY1974 is cataloged for the listed Subaru BRZ and Toyota 86 fitments and is identified by OE-style interchange references for application matching.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Subaru | BRZ | N/A | — |
| 2020 | Toyota | 86 | N/A | — |
| 2019 | Subaru | BRZ | N/A | — |
| 2019 | Toyota | 86 | N/A | — |
| 2018 | Subaru | BRZ | N/A | — |
| 2018 | Toyota | 86 | N/A | — |
| 2017 | Subaru | BRZ | N/A | — |
| 2017 | Toyota | 86 | N/A | — |
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