OE Quality
60-Day Returns

Standard Ignition RY-31 HVAC Blower Motor High Speed Relay
Reliable HVAC Blower Motor High Speed Relay for Select GM Vehicles
The Standard Ignition RY-31 HVAC Blower Motor High Speed Relay is designed to provide dependable electrical control for your vehicle's HVAC system. Engineered for compatibility with various Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, this relay ensures consistent blower motor performance at high speeds.
- Amperage rating of 30 amps for robust electrical handling
- Female rectangular connector with one connector for secure fit
- Includes mounting bracket(s) for easy installation
- Five male blade terminals for reliable electrical connections
- Operates at 12 volts, suitable for standard automotive electrical systems
- Functions as a fuel pump relay within HVAC applications
- Continuous duty: No, designed for intermittent operation
Technical Details and Compatibility
The Standard Ignition RY-31 relay features a 30 amp amperage rating, making it suitable for controlling high-speed blower motors in HVAC systems. Its female rectangular connector and five male blade terminals ensure a secure and stable electrical connection. The included mounting bracket simplifies installation, providing a firm and vibration-resistant fit. Operating at 12 volts, this relay is compatible with a range of General Motors vehicles including Buick models like the Skylark and Regal, Chevrolet trucks such as the C10 and S10 Blazer, GMC Jimmy and K5 Blazer, Oldsmobile Cutlass, and Pontiac Firebird and Grand Prix.
Common Applications and Problem Resolution
- Restores proper blower motor high-speed function in HVAC systems
- Resolves intermittent blower motor operation or failure at high speeds
- Addresses electrical relay failures causing HVAC blower issues
- Replaces faulty fuel pump relay functions integrated within HVAC relays
- Eliminates blower motor relay-related electrical shorts or connection problems
Installation Notes and Tips
Before installation, verify vehicle compatibility with the Standard Ignition RY-31 relay. Disconnect the battery to prevent electrical shorts. Use the included mounting bracket to secure the relay firmly in place. Ensure all blade terminals are clean and properly connected to avoid poor electrical contact. After installation, test the HVAC blower motor at high speed to confirm proper operation.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The RY-31 relay undergoes rigorous quality control testing to maintain consistent electrical function. While specific warranty details may vary, Standard Ignition typically offers coverage against manufacturing defects. Consult product documentation or your parts provider for exact warranty terms.
| Brand | Standard Ignition |
| Part Number | RY-31 |
| Amperage Rating | 30 A |
| Connector Gender | Female |
| Connector Shape | Rectangular |
| Contents | Relay |
| Continuous Duty | No |
| Functions | Fuel Pump Relay |
| Mounting Bracket(s) Included | Yes |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Voltage | 12 |
This part fits 103 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1989 | Chevrolet | Camaro | N/A | |||
| 1989 | Pontiac | Firebird | N/A | |||
| 1988 | Chevrolet | Camaro | N/A | |||
| 1988 | Chevrolet | Caprice | N/A | |||
| 1988 | Chevrolet | Caprice | N/A | 5-blade terminal for automatic transmission spark control relay. | ||
| 1988 | Chevrolet | Caprice | N/A | Police Package | ||
| 1988 | Chevrolet | Monte Carlo | N/A | |||
| 1988 | Pontiac | Firebird | N/A | |||
| 1987 | Chevrolet | Camaro | 5.7L | V8 | N/A | |
| 1987 | Chevrolet | Camaro | 5.0L | V8 | N/A | |
| 1987 | Chevrolet | Caprice | N/A | |||
| 1987 | Chevrolet | Caprice | N/A | 5-blade terminal for automatic transmission spark control relay. | ||
| 1987 | Chevrolet | Caprice | N/A | Police Package | ||
| 1987 | Chevrolet | Caprice | 5.0L | V8 | N/A | |
| 1987 | Chevrolet | Corvette | N/A | |||
| 1987 | Chevrolet | El Camino | 5.0L | V8 | N/A | |
| 1987 | Chevrolet | Monte Carlo | N/A | |||
| 1987 | Pontiac | Firebird | N/A | |||
| 1987 | Pontiac | Firebird | 5.7L | V8 | N/A | |
| 1987 | Pontiac | Firebird | 5.0L | V8 | N/A | |
| 1986 | Chevrolet | Camaro | 5.0L | V8 | N/A | |
| 1986 | Chevrolet | Camaro | 2.8L | V6 | N/A | |
| 1986 | Chevrolet | Caprice | N/A | |||
| 1986 | Chevrolet | Caprice | 5.0L | V8 | N/A | |
| 1986 | Chevrolet | Caprice | N/A | 5-blade terminal for automatic transmission spark control relay. | ||
| 1986 | Chevrolet | Caprice | N/A | Police Package | ||
| 1986 | Chevrolet | Corvette | N/A | |||
| 1986 | Chevrolet | El Camino | 5.0L | V8 | N/A | |
| 1986 | Chevrolet | Monte Carlo | N/A | |||
| 1986 | Pontiac | 6000 | N/A | |||
| 1986 | Pontiac | 6000 | N/A | OE No. 14078915 | ||
| 1986 | Pontiac | Bonneville | N/A | |||
| 1986 | Pontiac | Firebird | 2.8L | V6 | N/A | |
| 1986 | Pontiac | Firebird | 5.0L | V8 | N/A | |
| 1986 | Pontiac | Firebird | 2.5L | L4 | N/A | |
| 1986 | Pontiac | Firebird | N/A | |||
| 1986 | Pontiac | Parisienne | N/A | |||
| 1985 | Chevrolet | Camaro | 5.0L | V8 | N/A | |
| 1985 | Chevrolet | Camaro | 2.8L | V6 | N/A | |
| 1985 | Chevrolet | Camaro | N/A | |||
| 1985 | Chevrolet | Camaro | N/A | 5-blade terminal for automatic transmission spark control relay. | ||
| 1985 | Chevrolet | Caprice | N/A | |||
| 1985 | Chevrolet | Caprice | 5.0L | V8 | N/A | |
| 1985 | Chevrolet | Caprice | 5.0L | V8 | N/A | Lever Actuator |
| 1985 | Chevrolet | Corvette | N/A | |||
| 1985 | Chevrolet | Corvette | N/A | w/ Overdrive | ||
| 1985 | Chevrolet | El Camino | 5.0L | V8 | N/A | |
| 1985 | Chevrolet | Impala | 5.0L | V8 | N/A | |
| 1985 | Chevrolet | Impala | N/A | |||
| 1985 | Chevrolet | Monte Carlo | N/A | |||
| 1985 | Pontiac | 6000 | N/A | OE No. 14078915 | ||
| 1985 | Pontiac | Bonneville | N/A | |||
| 1985 | Pontiac | Firebird | 2.8L | V6 | N/A | |
| 1985 | Pontiac | Firebird | 5.0L | V8 | N/A | |
| 1985 | Pontiac | Firebird | N/A | |||
| 1985 | Pontiac | Parisienne | N/A | |||
| 1984 | Buick | Skylark | N/A | |||
| 1984 | Chevrolet | C10 Suburban | 5.0L | V8 | N/A | |
| 1984 | Chevrolet | C20 Suburban | 5.0L | V8 | N/A | |
| 1984 | Chevrolet | Camaro | N/A | |||
| 1984 | Chevrolet | Camaro | 5.0L | V8 | N/A | |
| 1984 | Chevrolet | Camaro | 2.8L | V6 | N/A | |
| 1984 | Chevrolet | Caprice | N/A | OE No. 14078915 | ||
| 1984 | Chevrolet | Citation | N/A | 5 Term ABS Relay | ||
| 1984 | Chevrolet | Corvette | N/A | |||
| 1984 | Chevrolet | Corvette | N/A | w/ Overdrive | ||
| 1984 | Chevrolet | El Camino | 5.0L | V8 | N/A | |
| 1984 | Chevrolet | K5 Blazer | 5.0L | V8 | N/A | |
| 1984 | Chevrolet | K5 Blazer | N/A | OE No. 14078915 | ||
| 1984 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | |
| 1984 | GMC | Jimmy | N/A | |||
| 1984 | Oldsmobile | Omega | 2.8L | V6 | N/A | |
| 1984 | Oldsmobile | Omega | N/A | |||
| 1984 | Pontiac | 6000 | N/A | 5-blade terminal for automatic transmission spark control relay. | ||
| 1984 | Pontiac | 6000 | N/A | OE No. 14078915 | ||
| 1984 | Pontiac | Bonneville | 5.0L | V8 | N/A | |
| 1984 | Pontiac | Firebird | 5.0L | V8 | N/A | |
| 1984 | Pontiac | Firebird | 2.8L | V6 | N/A | Compatible with vehicles equipped with U.S. Emissions for Distributor Ignition Pickup. |
| 1984 | Pontiac | Firebird | 2.8L | V6 | N/A | |
| 1984 | Pontiac | Grand Prix | 5.0L | V8 | N/A | |
| 1984 | Pontiac | Parisienne | 5.0L | V8 | N/A | |
| 1984 | Pontiac | Phoenix | N/A | 5-blade terminal for automatic transmission spark control relay. | ||
| 1984 | Pontiac | Phoenix | 2.8L | V6 | N/A | |
| 1984 | Pontiac | Phoenix | N/A | |||
| 1983 | Buick | Skylark | 2.8L | V6 | N/A | |
| 1983 | Chevrolet | Camaro | 5.0L | V8 | N/A | |
| 1983 | Chevrolet | Camaro | N/A | |||
| 1983 | Chevrolet | Camaro | 5.0L | V8 | N/A | Compatible with vehicles equipped with Canada Emissions. |
| 1983 | Chevrolet | Caprice | N/A | |||
| 1983 | Chevrolet | Caprice | N/A | OE No. 14078915 | ||
| 1983 | Chevrolet | El Camino | 5.0L | V8 | N/A | |
| 1983 | Chevrolet | K5 Blazer | N/A | OE No. 14078915 | ||
| 1983 | Chevrolet | Malibu | 5.0L | V8 | N/A | |
| 1983 | Chevrolet | Monte Carlo | 5.0L | V8 | N/A | |
| 1983 | Chevrolet | S10 | N/A | |||
| 1983 | Chevrolet | S10 Blazer | N/A | |||
| 1983 | GMC | Jimmy | N/A | |||
| 1983 | GMC | S15 | N/A | |||
| 1983 | GMC | S15 Jimmy | N/A | |||
| 1983 | Pontiac | Bonneville | 5.0L | V8 | N/A | |
| 1983 | Pontiac | Firebird | 5.0L | V8 | N/A | |
| 1983 | Pontiac | Grand Prix | 5.0L | V8 | N/A | |
| 1983 | Pontiac | Parisienne | 5.0L | V8 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.