HomeElectrical, Lighting and Body > RelaysStandard Ignition RY1915 Main Relay
Part #: RY1915

Standard Ignition RY1915 Main Relay

38 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ram, ProMaster 1500, ProMaster 2500, and ProMaster 3500
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Reliable Main Relay for Fiat 500L and Ram ProMaster Models

The Standard Ignition RY1915 main relay is designed to provide dependable electrical performance for select Fiat and Ram vehicles. Engineered to meet OEM specifications, this 12-volt relay ensures consistent operation in your Fiat 500L and Ram ProMaster 1500, 2500, 3500, and ProMaster EV models.

  • Amperage rating of 30 amps for robust electrical load handling
  • Four male blade terminals for secure and reliable connections
  • Rectangular connector shape with four male connectors for precise fitment
  • Operates at 12 volts, compatible with standard vehicle electrical systems
  • Does not include mounting brackets, designed for direct replacement

Technical Details and Specifications

The Standard Ignition RY1915 main relay features a 30 amp amperage rating, suitable for managing significant electrical currents within the vehicle's system. It includes four male blade terminals and four male connectors arranged in a rectangular shape, ensuring a proper and secure connection to the vehicle’s wiring harness. Operating at 12 volts, this relay is compatible with the electrical systems of Fiat 500L and Ram ProMaster series vehicles, including the ProMaster EV. The relay functions as a critical component in controlling power distribution to various electrical circuits.

Compatible Vehicles and Applications

This main relay is compatible with the following vehicles:

  • Fiat 500L
  • Ram ProMaster 1500
  • Ram ProMaster 2500
  • Ram ProMaster 3500
  • Ram ProMaster EV

It is designed to replace the original relay in these models, ensuring proper electrical relay function and system reliability.

Common Issues Addressed by the RY1915 Main Relay

  • Intermittent electrical power loss in critical circuits
  • Failure of vehicle systems due to relay malfunction
  • Starting problems related to relay electrical faults
  • Inconsistent operation of lighting or body electrical components
  • Electrical relay overheating or contact wear

Installation Notes and Tips

Installation of the Standard Ignition RY1915 main relay requires basic electrical knowledge and proper handling of vehicle wiring. Ensure the vehicle battery is disconnected before replacement to avoid electrical shorts. The relay’s rectangular connector and blade terminals should be matched carefully to the vehicle’s harness connectors. Since mounting brackets are not included, use the existing mounting points in the vehicle. Verify all connections are secure before restoring power.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The RY1915 main relay undergoes rigorous quality control testing to ensure consistent operation. Warranty coverage details can be obtained from the product documentation or authorized distributors, typically covering defects in material and workmanship.

BrandStandard Ignition
Part NumberRY1915
Amperage Rating30 A
Connector GenderMale
Connector ShapeRectangular
FunctionsRelay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 38 vehicles. Search below:

YearMakeModelPositionNotes
2026RamProMaster EVN/A
2025RamProMaster 1500N/A
2025RamProMaster 2500N/A
2025RamProMaster 3500N/A
2025RamProMaster EVN/A
2024RamProMaster 1500N/A
2024RamProMaster 2500N/A
2024RamProMaster 3500N/A
2024RamProMaster EVN/A
2023RamProMaster 1500N/A
2023RamProMaster 2500N/A
2023RamProMaster 3500N/A
2022RamProMaster 1500N/A
2022RamProMaster 2500N/A
2022RamProMaster 3500N/A
2021RamProMaster 1500N/A
2021RamProMaster 2500N/A
2021RamProMaster 3500N/A
2020RamProMaster 1500N/A
2020RamProMaster 2500N/A
2020RamProMaster 3500N/A
2019RamProMaster 1500N/A
2019RamProMaster 2500N/A
2019RamProMaster 3500N/A
2018RamProMaster 1500N/A
2018RamProMaster 2500N/A
2018RamProMaster 3500N/A
2017Fiat500LN/A
2016Fiat500LN/A
2016RamProMaster 1500N/A
2016RamProMaster 2500N/A
2016RamProMaster 3500N/A
2015RamProMaster 1500N/A
2015RamProMaster 2500N/A
2015RamProMaster 3500N/A
2014RamProMaster 1500N/A
2014RamProMaster 2500N/A
2014RamProMaster 3500N/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:

164091R358368150127AAAR7419R7418RAA3025

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