Standard Ignition RY-31 HVAC Blower Motor High Speed Relay

HVAC Blower Motor Relay Overview

Standard Ignition RY-31 is a 12-volt relay built with a 30 amp amperage rating, a female rectangular connector, and 5 male blade terminals. It includes a mounting bracket and is used in applications that call for a fuel pump relay function, with fitment across select Chevrolet, Pontiac, Buick, GMC, and Oldsmobile vehicles from 1983-1989.

Key Features

• 12 V relay with 30 A amperage rating
• Female rectangular connector with 1 connector interface
• 5 male blade terminals for the specified application
• Mounting bracket(s) included for secure installation
• Composite housing helps protect against heat and harsh underhood conditions
• Brass or copper contacts are used where specified for wear resistance
• Manufactured under TS16949 and ISO9001 certified quality systems

Detailed Description

Standard Ignition RY-31 is an OE-style relay built for demanding electrical service in older GM platforms. It is listed for HVAC relay applications and also carries a fuel pump relay function in the provided specifications, making it a direct-reference replacement for select vehicles such as the Chevrolet Camaro, Chevrolet Caprice, Pontiac Firebird, and Chevrolet Monte Carlo. This part cross-references Four Seasons 35926 and Gates 19844 for the same application. Standard Ignition RY-31 is engineered with durable composite housing and controlled manufacturing processes to support consistent electrical performance.

What It Helps Solve

• Blower motor relay failure causing intermittent HVAC operation
• No-start or fuel delivery issues related to relay circuit faults
• Electrical switching problems from worn relay contacts
• Heat-related relay damage in the underhood environment
• Fitment issues when replacing an OE-style 5-blade relay

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style before installation. This relay uses a female rectangular connector with 5 male blade terminals and a mounting bracket, so the replacement should match the original electrical layout exactly. For fitment-specific searches, use phrases such as Fits 1983-1989 Chevrolet Camaro, N/A, Fits 1983-1989 Pontiac Firebird, N/A, and Fits 1985-1988 Chevrolet Caprice, N/A. Additional listed applications include Fits 1983-1988 Chevrolet Monte Carlo, N/A and Fits 1984-1987 Chevrolet Corvette, N/A.

Quality Assurance

Standard Ignition manufactures this relay under stringent quality requirements with TS16949 and ISO9001 certified plants. The brand states that it maintains quality control from component selection through finished product, helping ensure the right part is produced for the intended vehicle application.