Standard Ignition RY-224 HVAC Relay

Reliable HVAC Relay for Audi, Ford, and Mercury Vehicles

The Standard Ignition RY-224 HVAC relay is designed to provide dependable electrical control for your vehicle's heating, ventilation, and air conditioning system. Engineered to meet the specifications of select Audi, Ford, and Mercury models, this relay ensures consistent performance and compatibility.

• Connector Gender: Female with 1 rectangular connector
• Terminal Type: 2 male blade terminals
• Voltage Rating: 12 volts
• Includes relay only; no mounting brackets included
• Compatible with multiple Audi, Ford, and Mercury models

Technical Details and Compatibility

This HVAC relay features a single female rectangular connector and two male blade terminals, designed for secure and reliable electrical connections. Operating at 12 volts, it is suitable for controlling HVAC functions in vehicles such as the Audi 80 Quattro, 90, 100, 200, and V8 Quattro, as well as Ford models including Capri, Festiva, LTD, Mustang, and Thunderbird, and Mercury models like Cougar, Coupe Quattro, and Marquis. The Standard Ignition RY-224 relay is engineered to meet OEM standards, ensuring proper fit and function within the HVAC system.

Common Applications and Problem Resolution

This HVAC relay is used to control the electrical circuits within the heating and air conditioning system, enabling proper operation of fans and other HVAC components. It can help address issues such as:

• Intermittent or non-functioning HVAC blower motor
• HVAC system failing to engage or respond
• Electrical relay failure causing HVAC system shutdown
• Blown fuses related to HVAC relay malfunction
• Unstable HVAC system performance due to relay wear

Installation Notes and Tips

When installing the Standard Ignition RY-224 HVAC relay, ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical shorts. Verify the relay's connector orientation matches the vehicle's wiring harness, noting the female rectangular connector and male blade terminals. Since mounting brackets are not included, use the existing bracket or secure the relay appropriately to avoid vibration damage. Consult the vehicle's service manual for specific relay location and wiring diagrams.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The RY-224 HVAC relay undergoes rigorous testing to ensure consistent operation under normal driving conditions. Warranty coverage details should be confirmed with the parts provider, as Standard Ignition typically offers limited warranties against defects in material and workmanship.