Standard Ignition RY-68 HVAC Temperature Delay Relay

HVAC Temperature Delay Relay for Ford and Mercury

Standard Ignition RY-68 is an HVAC temperature delay relay built for 12-volt systems that use a 5-blade terminal layout and a rectangular female connector. It is a direct-fit service part for a wide range of Ford and Mercury vehicles, including Ford Escort, Mustang, Taurus, Tempo, Thunderbird, and Mercury Cougar, Grand Marquis, Sable, Topaz, and Tracer applications.

Built with a 30 amp amperage rating and a 5-terminal blade design, this relay supports HVAC control functions in vehicles that rely on timed electrical switching. Standard Ignition RY-68 is a practical replacement for diagnosing or restoring climate-control relay operation in older Ford and Mercury platforms.

Key Features

• HVAC temperature delay relay for 12-volt systems
• 30 amp amperage rating
• Female rectangular connector with 1 connector interface
• 5 male blade terminals
• Composite housing for protection in underhood heat and harsh conditions
• Brass or copper contacts used where specified for wear resistance
• Manufactured under TS16949 and ISO9001 certified quality systems

Detailed Description

Standard Ignition RY-68 is an HVAC relay designed for Ford and Mercury vehicles that require a temperature delay relay with a rectangular connector and blade-style terminals. It is listed for applications such as 1981-1989 Ford Escort, 1982-1989 Ford Mustang, 1986-1989 Ford Taurus, 1983-1989 Ford Thunderbird, 1982-1989 Mercury Cougar, 1983-1989 Mercury Grand Marquis, and 1987-1989 Mercury Tracer. This part number, RY-68, also cross-references Gates 19887 for the same application.

The relay uses a composite housing to help withstand severe underhood temperatures, while specified brass or copper contacts support long service life. For buyers searching for an HVAC temperature delay relay for Ford Escort, Mustang, Taurus, or Mercury Sable and Topaz models, RY-68 provides a direct replacement option with the correct electrical layout.

What This Relay Helps Address

• HVAC blower or climate-control relay failure
• Intermittent heating and air conditioning operation
• Delayed or inconsistent relay switching
• Electrical contact wear in the HVAC control circuit
• Heat-related relay housing deterioration

Installation Notes and Tips

Verify the connector shape, terminal count, and voltage before installation. This relay uses a female rectangular connector with 5 male blade terminals and is not a continuous-duty relay. Confirm the vehicle’s original relay style and application notes, including any stamping or color references listed for specific Ford and Mercury models, before replacing the part.

Compatible vehicle searches often include 1981-1989 Ford Escort, 1982-1989 Ford Mustang, 1986-1989 Ford Taurus, 1983-1989 Mercury Grand Marquis, and 1987-1989 Mercury Tracer. Matching the original connector and terminal configuration is essential for proper HVAC relay operation.

Quality Assurance

Standard Ignition manufactures this relay under stringent quality requirements with complete process control from component selection through finished product. The brand’s plants are TS16949 and ISO9001 certified, supporting consistent fit and electrical performance for service replacement use.