HomeEngine > RelaysStandard Ignition RY-389 Engine Control Module Relay
Part #: RY-389

Standard Ignition RY-389 Engine Control Module Relay

⚙️ 90 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Kia, Ford, Mercury, and Mazda, Sephia, Escort, Tracer, 323, MPV, Protege, Capri, Festiva, B2200, B2600, Miata, Probe, 626, MX-6, RX-7, and B2000
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Reliable Engine Control Module Relay for Ford, Kia, Mazda, and Mercury

The Standard Ignition RY-389 Engine Control Module (ECM) Relay is designed to provide dependable electrical control for your vehicle's engine management system. Compatible with a range of Ford, Kia, Mazda, and Mercury models, this relay ensures consistent performance and helps maintain proper engine operation.

  • Compatible with Ford, Kia, Mazda, and Mercury vehicles
  • Fits models including Ford Escort, Probe, and Capri
  • Supports Mazda 323, 626, Miata, MPV, MX-6, Protege, RX-7, and more
  • Works with Kia Sephia and Mercury Tracer models
  • Standard Ignition quality for reliable engine control
  • Part number RY-389 for precise identification

Product Overview and Compatibility

The Standard Ignition RY-389 ECM Relay is engineered to meet the electrical demands of various engine control modules across multiple vehicle makes and models. This relay plays a critical role in managing the power supply to the engine control unit, ensuring that your vehicle's engine receives the correct signals for optimal performance. It is compatible with Ford models such as the Escort, Capri, and Probe, as well as Mazda vehicles including the 323, 626, Miata, MPV, MX-6, Protege, and RX-7. Additionally, it fits Kia models like the Sephia and Mercury's Tracer, B2000, B2200, and B2600 trucks.

Common Applications and Problem Resolution

  • Resolves intermittent engine starting issues related to ECM power supply
  • Addresses engine stalling caused by faulty relay operation
  • Prevents electrical failures affecting engine control systems
  • Eliminates erratic engine performance due to relay malfunction
  • Supports stable engine management in older Ford, Kia, Mazda, and Mercury vehicles

Installation Notes and Tips

When installing the Standard Ignition RY-389 ECM Relay, ensure the vehicle's battery is disconnected to avoid electrical shorts. Verify the relay socket and wiring harness are free of corrosion or damage before installation. This relay is a direct replacement for the original part and should fit securely without modification. After installation, test the engine start and idle functions to confirm proper operation.

Quality Assurance and Warranty

Standard Ignition manufactures the RY-389 ECM Relay to meet or exceed OEM specifications, providing reliable performance for your vehicle's engine control system. While specific warranty details may vary, Standard Ignition products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.

BrandStandard Ignition
Part NumberRY-389
Amperage Rating10
Connector GenderFemale
Connector ShapeSquare
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 90 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997KiaSephiaN/A
1996FordEscort1.8LL4N/A
1996KiaSephiaN/A
1996MercuryTracer1.8LL4N/A
1995FordEscort1.8LL4N/A
1995KiaSephiaN/A
1995Mazda323N/A
1995MazdaMPVN/A
1995MercuryTracer1.8LL4N/A
1994FordEscort1.8LL4N/A
1994Mazda323N/A
1994MazdaMPVN/A
1994MazdaProtegeN/A
1994MercuryCapriN/A
1994MercuryTracer1.8LL4N/A
1993FordEscort1.8LL4N/A
1993FordFestivaN/A
1993Mazda323N/A
1993MazdaB2200N/A
1993MazdaB2600N/A
1993MazdaMiataN/A
1993MazdaMPVN/A
1993MazdaProtegeN/A
1993MercuryCapriN/A
1993MercuryTracer1.8LL4N/A
1992FordEscort1.8LL4N/A
1992FordFestivaN/A
1992FordProbe2.2LL4N/A5-blade terminal for automatic transmission spark control relay.
1992Mazda323N/A
1992Mazda626N/A
1992MazdaB2200N/A
1992MazdaB2600N/A
1992MazdaMiataN/A
1992MazdaMPVN/A
1992MazdaMX-6N/A
1992MazdaProtegeN/A
1992MercuryCapriN/A
1992MercuryTracer1.8LL4N/A
1991FordEscort1.8LL4N/A
1991FordFestivaN/A
1991FordProbe2.2LL4N/A5-blade terminal for automatic transmission spark control relay.
1991Mazda323N/A
1991Mazda626N/A
1991MazdaB2200N/A
1991MazdaB2600N/A
1991MazdaMiataN/A
1991MazdaMPVN/A
1991MazdaMX-6N/A
1991MazdaProtegeN/A
1991MazdaRX-7N/A
1991MercuryCapriN/A
1991MercuryTracer1.8LL4N/A
1990FordFestivaN/A
1990FordProbe2.2LL4N/A5-blade terminal for automatic transmission spark control relay.
1990Mazda323N/A
1990Mazda626N/A
1990MazdaB2200N/A
1990MazdaB2600N/A
1990MazdaMiataN/A
1990MazdaMPVN/A
1990MazdaMX-6N/A
1990MazdaProtegeN/A
1990MazdaRX-7N/A
1989FordFestivaN/A
1989FordProbe2.2LL4N/A
1989Mazda323N/A
1989MazdaB2200N/A
1989MazdaB2600N/A
1989MazdaMPVN/A
1989MazdaMX-6N/A
1989MazdaRX-7N/A
1989MercuryTracerN/A
1988FordFestivaN/A
1988Mazda323N/A
1988Mazda626N/A
1988MazdaB2200N/A
1988MazdaB2600N/A
1988MazdaMX-6N/A
1988MazdaRX-7N/A
1988MercuryTracerN/A
1987Mazda323N/A
1987Mazda626N/A
1987MazdaB2000N/A
1987MazdaB2200N/A
1987MazdaB2600N/A
1987MazdaRX-7N/A
1986Mazda323N/A
1986Mazda626N/A
1986MazdaB2000N/A
1986MazdaRX-7N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0567006381191065951R143220087203-011125-013956-1870AR373AR655E8GY9345DF20118821MN23618821R3173RAA1315

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.