HomeElectrical, Lighting and Body > RelaysStandard Ignition RY-158 Computer Control Relay
Part #: RY-158

Standard Ignition RY-158 Computer Control Relay

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Prelude
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Reliable Computer Control Relay for Honda Prelude

The Standard Ignition RY-158 computer control relay is designed specifically for Honda Prelude models, providing dependable electrical system performance. This relay ensures proper operation of your vehicle's control circuits, maintaining system integrity and functionality.

  • Compatible with Honda Prelude vehicles
  • Part number RY-158 for precise identification
  • Computer control relay type for accurate electrical switching
  • Engineered to meet OEM specifications
  • Durable construction for long-lasting use

Product Overview and Specifications

The Standard Ignition RY-158 is a computer control relay that plays a critical role in managing electrical signals within the Honda Prelude. This relay is responsible for controlling various electrical components by switching circuits on and off as needed, based on commands from the vehicle's computer system. Its design aligns with original equipment manufacturer standards, ensuring compatibility and reliable performance. The RY-158 relay is built to withstand the demanding conditions of automotive environments, including temperature fluctuations and vibrations.

Common Applications and Problem Resolution

This computer control relay is used in the electrical system of Honda Prelude models to regulate power flow and signal control. It can help address several issues, including:

  • Intermittent electrical failures or component malfunctions
  • Non-responsive or erratic operation of control circuits
  • Electrical shorts or relay failure symptoms
  • Starting system irregularities related to relay function
  • Faulty relay causing dashboard warning lights or system errors

Installation Notes and Tips

When installing the Standard Ignition RY-158 relay, ensure the vehicle is turned off and the battery is disconnected to prevent electrical shock or damage. Locate the existing relay in the Honda Prelude’s relay panel, remove it carefully, and replace it with the RY-158, confirming proper seating and connection. Verify all electrical connections are secure before reconnecting the battery and testing the system. Consult the vehicle’s service manual for specific relay location and wiring diagrams.

Quality Assurance and Warranty Information

Standard Ignition parts, including the RY-158 computer control relay, are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. This relay is backed by a limited warranty that covers defects in material and workmanship, providing confidence in its reliability for Honda Prelude owners.

BrandStandard Ignition
Part NumberRY-158
Amperage Rating30 A
Connector GenderFemale
Connector ShapeRectangular
ContentsRelay
Continuous DutyNo
FunctionsRelay
Mounting Bracket(s) IncludedYes
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1987HondaPreludeN/A
1986HondaPreludeN/A
1985HondaPreludeN/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:

192271R102425-014239400SF067156-152188922639AR418AR725R3263RZ0037

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