HomeElectrical, Lighting and Body > RelaysStandard Ignition RY-937 Daytime Running Light Relay
Part #: RY-937

Standard Ignition RY-937 Daytime Running Light Relay

29 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Land Rover, Range Rover, Discovery, Defender 90, and Defender 110
Easy Returns — Return within 60 days for a full refund
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Reliable Daytime Running Light Relay for Land Rover Vehicles

The Standard Ignition RY-937 Daytime Running Light Relay is designed to provide consistent electrical performance for Land Rover models including the Defender 90, Defender 110, Discovery, and Range Rover. This multi-function relay supports your vehicle's lighting system by managing daytime running lights efficiently.

Key Features of Standard Ignition RY-937 Relay

  • Amperage rating of 60 amps for robust electrical handling
  • 12-volt operation compatible with standard automotive systems
  • Male connector with a single square-shaped connection point
  • Four male blade terminals for secure and reliable wiring
  • Multi-function relay designed specifically for daytime running light control
  • Does not include a mounting bracket, allowing flexible installation options
  • Continuous duty: No, suitable for intermittent relay operation

Detailed Product Description

The Standard Ignition RY-937 relay is engineered to meet the electrical demands of Land Rover vehicles such as the Defender 90, Defender 110, Discovery, and Range Rover. With a 60 amp amperage rating and 12-volt compatibility, this relay ensures stable power delivery to your daytime running lights. Featuring a male connector with a square shape and four male blade terminals, it offers straightforward integration into your vehicle's existing wiring harness. The relay is multi-functional, supporting various lighting control needs without continuous duty operation, which aligns with typical daytime running light usage patterns. Note that this relay does not come with a mounting bracket, providing flexibility for custom installation setups.

Common Applications and Issues Addressed

  • Restores proper function to daytime running lights on Land Rover Defender and Range Rover models
  • Resolves intermittent or non-functioning daytime running light circuits
  • Replaces faulty or worn-out relays causing electrical inconsistencies
  • Supports multi-function lighting systems requiring reliable relay switching
  • Helps maintain vehicle safety compliance by ensuring daytime running lights operate correctly

Installation Notes and Tips

  • Verify vehicle compatibility with Land Rover Defender 90, Defender 110, Discovery, or Range Rover before installation
  • Ensure the relay’s male square connector and blade terminals match your vehicle’s wiring harness
  • Since no mounting bracket is included, prepare a secure mounting location to prevent relay movement
  • Disconnect the battery before installation to avoid electrical shorts
  • Consult the vehicle’s service manual for relay location and wiring diagrams

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The RY-937 relay undergoes rigorous testing to ensure reliable performance in demanding automotive environments. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation or contact the distributor for exact warranty terms.

BrandStandard Ignition
Part NumberRY-937
Amperage Rating60 A
Connector ShapeSquare
ContentsRelay
Continuous DutyNo
FunctionsMulti-Function Relay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 29 vehicles. Search below:

YearMakeModelPositionNotes
2007Land RoverRange RoverN/A
2006Land RoverRange RoverN/A
2005Land RoverRange RoverN/A
2004Land RoverDiscoveryN/A
2004Land RoverRange RoverN/A
2003Land RoverDiscoveryN/A
2003Land RoverRange RoverN/A
2002Land RoverDiscoveryN/A
2001Land RoverDiscoveryN/A
2000Land RoverDiscoveryN/A
1999Land RoverDiscoveryN/A
1998Land RoverDiscoveryN/A
1997Land RoverDefender 90N/A
1997Land RoverDiscoveryN/A
1996Land RoverDiscoveryN/A
1995Land RoverDefender 90N/A
1995Land RoverDiscoveryN/A
1995Land RoverRange RoverN/A
1994Land RoverDefender 90N/A
1994Land RoverDiscoveryN/A
1994Land RoverRange RoverN/A
1993Land RoverDefender 110N/A
1993Land RoverRange RoverN/A
1992Land RoverRange RoverN/A
1991Land RoverRange RoverN/A
1990Land RoverRange RoverN/ASteering column wiring harness connector for auxiliary use.
1989Land RoverRange RoverN/A
1988Land RoverRange RoverN/A
1987Land RoverRange RoverN/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:

1R23582096225-05243621456-2611AR6443R6443RAA1884YWB10027L

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