Standard Ignition RY-1531 HVAC Selector Switch Relay

Brand Standard Ignition RY-1531
Connector Shape Rectangular
Contents Relay
Continuous Duty No
Functions Accessory Relay
Mounting Bracket(s) Included Yes
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Oldsmobile · 15 vehicles

OE-quality construction. Built to stringent standards with complete manufacturing quality control.

Durable composite housing. Helps protect against harsh temperatures and severe underhood conditions.

Accessory relay function. A 12-volt relay with 4 blade terminals and a rectangular connector.

Cross-references 22529681, AR144 and R3075 for the same application. See all 3.

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HVAC Selector Switch Relay for Oldsmobile

Standard Ignition RY-1531 is a 12-volt HVAC selector switch relay built for dependable accessory relay operation in select Oldsmobile applications. It uses a rectangular connector, 4 blade terminals, and includes a mounting bracket for proper placement in the vehicle.

Key Features

  • 12-volt HVAC selector switch relay with accessory relay function
  • Rectangular connector shape with male blade terminals
  • 4-terminal design for direct electrical connection
  • Mounting bracket(s) included for secure installation
  • Built with composite housing materials for heat and underhood exposure
  • Brass or copper contacts used where specified for wear resistance
  • Manufactured under TS16949 and ISO9001 quality systems

Product Details

Standard Ignition RY-1531 is engineered for HVAC relay service in classic Oldsmobile platforms, including 1971-1973 Oldsmobile 98, 1971-1973 Oldsmobile Cutlass, 1971 and 1973 Oldsmobile Cutlass Supreme, 1971-1973 Oldsmobile Delta 88, and 1971 and 1973 Oldsmobile Toronado. If you are sourcing an HVAC selector switch relay for an Oldsmobile Cutlass or Oldsmobile Delta 88, this part number provides the specified 12-volt relay configuration with the correct terminal style and bracketed mounting layout. RY-1531 also cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Relay Can Address

  • HVAC selector switch not sending power to the accessory circuit
  • Intermittent blower or accessory relay operation
  • Electrical connection problems at the relay terminals
  • Heat-related relay housing deterioration in the engine compartment
  • Improper relay mounting or fitment in the original location

Installation Notes and Tips

Verify the connector shape, terminal count, and 12-volt specification before installation. Match the relay to the vehicle’s original HVAC selector switch relay layout and confirm the mounting bracket aligns with the factory location. For best results, inspect the harness terminals and surrounding connectors for corrosion or heat damage before connecting Standard Ignition RY-1531.

Quality Assurance

Standard Ignition manufactures this relay with composite housings and specified metal contacts to support durability in harsh underhood conditions. Production is controlled through TS16949 and ISO9001 certified facilities to help ensure consistent part quality and correct vehicle application.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1973Oldsmobile98N/ALow
1973OldsmobileCutlassN/A
1973OldsmobileCutlassN/ALow
1973OldsmobileCutlass SupremeN/A
1973OldsmobileDelta 88N/ALow
1973OldsmobileToronadoN/ALow
1972Oldsmobile98N/ALow
1972OldsmobileCutlassN/A
1972OldsmobileDelta 88N/ALow
1971Oldsmobile98N/ALow
1971OldsmobileCutlassN/A
1971OldsmobileCutlassN/ALow
1971OldsmobileCutlass SupremeN/A
1971OldsmobileDelta 88N/ALow
1971OldsmobileToronadoN/ALow
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
22529681AR144R3075