Standard Ignition RY-54 Starter Relay

Starter Relay for Select Isuzu and Nissan Applications

Standard Ignition RY-54 is a 12-volt starter relay built for electrical starting circuits that require a 4-blade, male-terminal relay with a rectangular female connector. It includes a mounting bracket and is rated at 80 amps for use in select Isuzu Trooper, Isuzu Pickup, Nissan 720, Nissan Maxima, Nissan Sentra, Chevrolet S10, Chevrolet LUV, and Isuzu I-Mark applications.

Key Features

• 12 V starter relay for starting-system electrical control
• 80 A amperage rating for demanding relay circuits
• Rectangular 1-connector design with female connector gender
• 4 male blade terminals for direct electrical connection
• Mounting bracket included for secure installation
• Standard Ignition RY-54 part number for catalog matching

Detailed Description

Standard Ignition RY-54 is a starter relay used in vehicle electrical, charging, and starting systems where a compact relay with a rectangular connector and blade terminals is required. This relay is listed for select 1981-1991 Isuzu and Nissan platforms, including Isuzu Trooper, Isuzu Pickup, Isuzu I-Mark, Nissan 720, Nissan Maxima, and Nissan Sentra, along with Chevrolet S10 and Chevrolet LUV applications. For buyers searching for a starter relay for 1989-1991 Isuzu Trooper or a replacement relay for 1983-1986 Nissan 720, RY-54 provides a direct catalog match by part number and fitment.

This part cross-references Gates 19945 for the same application.

What It Helps Address

• No-crank condition caused by a failed starter relay
• Intermittent starter engagement from worn relay contacts
• Starting circuit voltage drop at the relay connection
• Electrical switching issues in relay-controlled start circuits
• Fitment replacement needs for select Isuzu Trooper and Nissan 720 models

Installation Notes and Tips

• Verify connector shape, terminal count, and mounting location before installation.
• Confirm the vehicle uses a 12 V relay with 4 blade terminals and a rectangular female connector.
• Match the application notes carefully, including the 1986-1987 Isuzu Trooper note for vehicles built to 11/86.
• Inspect the relay socket and terminals for heat damage, corrosion, or looseness before installing the new relay.
• Use the part number RY-54 to confirm the correct replacement when ordering.

Quality Assurance

Standard Ignition supplies this relay as an OE-style electrical replacement for listed applications. The RY-54 part number and fitment data help confirm the correct starter relay for compatible Isuzu, Nissan, and Chevrolet vehicles.