Standard Ignition RY1973 Wiper Motor Relay

Wiper Motor Relay for Cadillac Applications

Standard Ignition RY1973 is a 12-volt wiper motor relay built for direct electrical control in supported Cadillac applications. It uses a 5-blade male terminal layout and a 20 amp amperage rating to match the circuit requirements of the vehicle’s wiper system.

Compatible With 2017-2019 Cadillac ATS, 2017-2019 Cadillac CTS, and 2019-2020 Cadillac CT6. This part number, RY1973, is a practical OE-style replacement for diagnosing or restoring wiper relay function in these vehicles.

Key Features

• Wiper motor relay for vehicle windshield wiper circuit control
• 12-volt electrical specification
• 20 amp amperage rating
• 5-terminal blade connection with male terminals
• No mounting bracket included
• Standard Ignition RY1973 replacement part

Detailed Description

Standard Ignition RY1973 is a relay used in the wiper and washer electrical system to help route power to the wiper motor when the switch commands operation. The relay’s 5-blade terminal design and 12-volt rating support the factory-style electrical interface used in the listed Cadillac ATS, Cadillac CTS, and Cadillac CT6 applications. If you are searching for a Cadillac ATS wiper motor relay, Cadillac CTS relay replacement, or a Cadillac CT6 windshield wiper relay, this part number is the relevant match for the confirmed fitment shown here.

This part cross-references 13598344 for the same application.

What It Helps Resolve

• Intermittent or inoperative windshield wiper operation
• Relay-related loss of power to the wiper motor
• Electrical switching faults in the wiper circuit
• Replacement needs after relay contact wear or failure
• Diagnostic trouble traced to the wiper relay circuit

Installation Notes and Tips

Verify terminal count, blade style, and voltage before installation. Inspect the relay socket for corrosion, heat damage, or loose terminals, since poor connections can mimic relay failure. Confirm the vehicle application by year and model before replacing the part. Standard Ignition RY1973 is listed without a mounting bracket, so use the existing vehicle mounting location and hardware where applicable.

Quality Assurance

Standard Ignition supplies electrical components for service replacement applications, and this relay is specified with the electrical and terminal details needed for the listed Cadillac fitments. Confirmed applications include 2017-2019 Cadillac ATS, 2017-2019 Cadillac CTS, and 2019-2020 Cadillac CT6.