Standard Ignition RY-789 A/C Compressor Control Relay
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Standard Ignition

Standard Ignition RY-789 A/C Compressor Control Relay

Brand Standard Ignition RY-789
Connector Gender Female
Connector Shape Rectangular
Contents Relay
Continuous Duty No
Functions Relay
Mounting Bracket(s) Included Yes
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Toyota · 4 vehicles

Direct replacement. A relay built for straightforward HVAC control.

Rectangular connector. Single female connector with 4 blade terminals.

12-volt relay. Made for standard automotive electrical systems.

Cross-references Standard Ignition RY-789, 8863095D01 and AR6294 for the same application. See all 4.

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A/C Compressor Control Relay for Toyota Previa

Restore proper A/C compressor relay operation with Standard Ignition RY-789. This 12-volt relay uses a rectangular female connector, four male blade terminals, and includes a mounting bracket for a secure installation. It is a direct-fit HVAC relay for 1991-1994 Toyota Previa models.

Key Features

  • Standard Ignition RY-789 A/C compressor control relay
  • Fits 1991-1994 Toyota Previa
  • 12-volt electrical design
  • Rectangular 1-connector layout with female connector gender
  • 4 male blade terminals for relay circuit connection
  • Mounting bracket included
  • Non-continuous duty relay construction

Product Details

The RY-789 is an HVAC relay used to control A/C compressor circuit operation in Toyota Previa applications. It is built with a rectangular connector, female connector interface, and male blade terminals to match the original relay-style electrical connection. If you are replacing a failed Toyota Previa A/C compressor control relay, Standard Ignition RY-789 provides the correct relay format for 1991, 1992, 1993, and 1994 vehicles. This part cross-references AR6294 and R6294 for the same application.

Common Problems This Relay Can Address

  • A/C compressor not engaging
  • Intermittent compressor relay operation
  • Loss of electrical control to the HVAC compressor circuit
  • Relay-related A/C cycling issues
  • Faulty or worn original relay connections

Installation Notes and Tips

Verify connector shape, terminal count, and voltage before installation. The RY-789 uses a female connector with four male blade terminals and a 12-volt relay layout, so matching the original electrical configuration is important. Confirm the mounting location and bracket alignment on the Toyota Previa before securing the relay. For fitment, use the vehicle-specific application: Fits 1991-1994 Toyota Previa, N/A.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and HVAC service parts. The RY-789 is built to match the specified relay configuration for the listed Toyota Previa applications.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1994ToyotaPreviaN/A—
1993ToyotaPreviaN/A—
1992ToyotaPreviaN/A—
1991ToyotaPreviaN/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — RY-7898863095D01AR6294R6294