Standard Ignition RY-734 Horn Relay

Brand Standard Ignition RY-734
Amperage Rating 20 A
Connector Shape Square
Contents Relay
Continuous Duty No
Functions Relay
Mounting Bracket(s) Included No
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Mazda · 5 vehicles

12-volt relay. Built for dependable electrical switching in standard systems.

4-blade terminals. Square connector shape for straightforward relay replacement.

20-amp rating for horn circuit control.

Cross-references Four Seasons 20177, Four Seasons 36201 and Rostra Powertrain Controls 60-0162 for the same application. See all 11.

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Horn Relay for Mazda 626

Standard Ignition RY-734 is a 12-volt horn relay built for direct electrical control in the horn circuit. It uses a square connector shape, 4 male blade terminals, and a 20 amp amperage rating to support proper relay operation in compatible vehicles.

Key Features

  • Horn relay for electrical system service
  • 12 V operating voltage
  • 20 A amperage rating
  • Square connector shape with 4 male blade terminals
  • Relay function only
  • No mounting bracket included
  • Not continuous duty

Detailed Description

Standard Ignition RY-734 is a replacement horn relay for 1998-2002 Mazda 626 applications. It is built with a square connector and four male blade terminals for the specified electrical interface, and it is rated at 12 volts and 20 amps for horn circuit switching. This part cross-references Four Seasons (e.g., 20177, 36201) for the same application. The RY-734 part number is also referenced in interchange listings for related replacement sourcing.

Common Issues It May Address

  • Horn inoperative due to relay failure
  • Intermittent horn operation from worn relay contacts
  • No-click condition in the horn circuit
  • Electrical switching problems in the Mazda 626 horn system
  • Relay replacement during electrical diagnosis

Installation Notes and Tips

Verify the connector shape, terminal count, terminal gender, and voltage rating before installation. Confirm the vehicle uses a 4-terminal blade-style horn relay and compare the original relay layout to the RY-734 part number. Fits 1998-2002 Mazda 626, N/A.

Quality Assurance

Standard Ignition supplies electrical replacement parts for service applications, and this relay is specified with defined terminal and amperage requirements to support accurate part matching.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2002Mazda626N/A—
2001Mazda626N/A—
2000Mazda626N/A—
1999Mazda626N/A—
1998Mazda626N/A—
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 20177Four Seasons — 36201Rostra Powertrain Controls — 60-0162Standard Ignition — RY-7341R151125-039256-1938AR6239GD7B67730R6239RAA1876