Standard Ignition RY-76 A/C Compressor Control Relay

Standard Ignition RY-76 A/C Compressor Control Relay

The Standard Ignition RY-76 is a 12-volt A/C compressor control relay built for HVAC relay applications in select Chevrolet and GMC trucks and SUVs. It uses a rectangular female connector, 4 male blade terminals, and includes a mounting bracket for secure placement in the vehicle.

Key Features

• 12-volt A/C compressor control relay for HVAC relay service
• Rectangular female connector with 1 connector interface
• 4 male blade terminals for direct electrical connection
• Mounting bracket included for stable installation
• Composite housing helps protect against heat and underhood exposure
• Brass or copper contacts are used where specified for wear resistance
• Manufactured under TS16949 and ISO9001 quality systems

Detailed Description

Standard Ignition RY-76 is an A/C compressor control relay engineered for vehicles that use a 12-volt relay in the HVAC circuit. The relay is built with a durable composite housing and quality-controlled internal components to support reliable electrical switching in demanding underhood conditions. This part cross-references Gates 19956 for the same application.

Compatible With select Chevrolet and GMC applications, including 1982-1984 Chevrolet S10, 1983-1984 Chevrolet S10 Blazer, 1983-1984 GMC S15 Jimmy, and 1982-1984 GMC S15. It also fits 1983-1984 Chevrolet K5 Blazer and 1984 Chevrolet S10 at the brake pedal support, along with 1984 Chevrolet K5 Blazer and 1984 Chevrolet S10 at the brake pedal support, where listed in the vehicle-specific fitment data. The Standard Ignition RY-76 is a direct-fit relay solution for these HVAC control applications.

What This Relay Helps Resolve

• A/C compressor not engaging when the HVAC system calls for cooling
• Intermittent compressor operation caused by relay contact wear
• Electrical switching issues in the compressor control circuit
• Heat-related relay failure in the underhood environment
• Fitment problems when replacing an incorrect HVAC relay

Installation Notes and Tips

Verify the connector shape, terminal count, and mounting location before installation. This relay uses a female rectangular connector with 4 male blade terminals and a mounting bracket, so matching the original configuration is important for proper fit. Confirm the vehicle’s relay location and compare the original part number before replacement.

Quality Assurance

Standard Ignition manufactures this relay under controlled processes with TS16949 and ISO9001 certified plants. The brand’s OE-focused manufacturing approach helps ensure consistent part-to-vehicle accuracy and dependable construction for HVAC relay service.