Standard Ignition RY-1745 Accessory Power Relay

Accessory Power Relay for Mustang

Standard Ignition RY-1745 is a direct-fit accessory power relay for 2005-2014 Ford Mustang applications with a square relay, 4-terminal layout. It restores proper relay open-and-close operation so electrical current can pass across the contact points as intended.

Built with a 12-volt design, male blade terminals, and a rectangular 4-pin connector, this relay is made for service replacement in Ford Mustang electrical systems. Standard Ignition RY-1745 is engineered for dependable switching performance in demanding underhood conditions.

Key Features

• Direct-fit accessory power relay replacement
• 12-volt electrical relay function
• Male connector and male blade terminals
• Rectangular 4-terminal configuration
• High-temperature housing for engine-bay use
• Quality-assurance tested for vehicle electrical system operation

Detailed Description

Standard Ignition RY-1745 is an accessory power relay built to replace the original relay used in 2005-2014 Ford Mustang models. It uses an electro-magnet relay design inside a heat-resistant housing to help maintain consistent switching performance under harsh operating conditions. This part number, RY-1745, is intended for vehicles that require a square relay with four terminals and a 12-volt electrical setup.

This part cross-references Bosch 16226 for the same application. It also interchanges with OE-style numbers including 1R3390 and 4R3Z2B373AA.

What It Helps Fix

• Intermittent accessory power operation
• Relay clicking without proper circuit switching
• Electrical current not reaching the intended circuit
• Faulty relay contact performance
• Accessory power issues in Ford Mustang electrical systems

Installation Notes and Tips

Verify the relay shape, terminal count, connector style, and voltage before installation. This RY-1745 relay uses a male 4-terminal rectangular connector and does not include a mounting bracket. Confirm the vehicle uses a square relay with 4 terminals for the correct Ford Mustang application.

Quality Assurance

Standard Ignition subjects its relays to extensive quality checks to confirm proper operation with the vehicle electrical system. The robust construction and high-grade materials are selected to meet the demands of professional service use.

• Fits 2005-2014 Ford Mustang, N/A; Square Relay; 4 Term.