Standard Ignition RY1955 Engine Wiring Harness Relay

Engine Wiring Harness Relay for GM Applications

Standard Ignition RY1955 is a 12-volt engine wiring harness relay built as a direct-fit OE replacement. It uses a male 5-blade connector and a composite housing to help withstand harsh under-hood temperatures and demanding electrical conditions.

Compatible With 2017-2021 GMC Acadia, 2017-2020 Buick Enclave, 2017-2020 Chevrolet Traverse, and 2017-2019 Cadillac XT5 applications, this relay is built for proper fit, form, and function. Standard Ignition RY1955 is manufactured in a TS16949 and ISO9001 certified facility with quality control maintained throughout production.

Key Features

• 12-volt relay for engine wiring harness applications
• Male connector with 5 blade terminals
• Direct-fit OE replacement for straightforward installation
• Composite housing for resistance to severe under-hood conditions
• Manufactured in TS16949 and ISO9001 certified facilities
• Cross-references Standard Ignition RY1955 applications with 13455283 and R7458

Detailed Description

This Standard Ignition relay is engineered to match original equipment dimensions and electrical requirements for the listed GM vehicles. It is designed for dependable relay operation in the engine wiring harness, helping maintain correct electrical control in demanding temperature and vibration environments. If you are replacing a worn or failed relay on a GMC Acadia, Buick Enclave, Chevrolet Traverse, or Cadillac XT5, RY1955 provides an OE-style solution with the correct connector style and voltage rating.

The composite housing helps protect internal components from heat and other under-hood exposure, while the blade-style male connector supports a secure electrical interface. Standard Ignition RY1955 is a practical choice for technicians and DIY repairs where original fit and connector configuration matter.

Common Issues This Part May Resolve

• Intermittent relay operation in the engine wiring harness
• No-start or hard-start electrical faults tied to relay failure
• Incorrect relay fitment caused by mismatched connector style
• Heat-related relay damage from under-hood exposure
• Electrical control problems on listed GM crossover applications

Installation Notes and Tips

Verify the connector shape, terminal count, and voltage rating before installation. Compare the original relay to the new part to confirm the blade layout and housing style match the vehicle’s harness connection. For best results, inspect the surrounding connector and wiring for corrosion, heat damage, or loose terminals before installing the replacement relay.

Fits 2017-2021 GMC Acadia, N/A. Fits 2017-2020 Buick Enclave, N/A. Fits 2017-2020 Chevrolet Traverse, N/A. Fits 2017-2019 Cadillac XT5, N/A. Fits 2017-2018 Cadillac XT5, N/A, 4 Blade Term.

Quality Assurance

Standard Ignition manufactures this relay in TS16949 and ISO9001 certified facilities and maintains quality control throughout the production process. That manufacturing approach supports consistent fit and electrical performance for the specified applications.