Rywire RY-B2-BASE Budget B-Series/OBD2 Tucked Engine Harness for Honda/Acura

Vehicle Fitment

• 1988-2000 Honda Civic (B-Series or D-Series engine conversions)
• 1988-1991 Honda CRX (B-Series swap applications)
• 1993-2000 Honda Civic del Sol (B-Series swap applications)
• 1990-2001 Acura Integra (GS/RS/GS-R trims, B-Series engines or conversion setups)

Fitment Notes

• Engine-bay harness designed for B-Series/D-Series engines.
• Plug-and-play only when the correct Rywire chassis adapter is selected.
• Uses OBD1 ECU connectors by default; OBD2 computers require an adapter.
• Verify distributor, injector, and alternator connector types before installation.

Features

• Mil-spec Teflon-coated wiring rated for high-temperature environments.
• Clean, tucked-bay layout with minimal visible wiring.
• Modular rear-sub-harness design for reusable main loom across chassis.
• Durable wire sheathing engineered for long-term reliability.
• Labeled connectors for easy identification and installation.
• Lightweight construction reduces bulk in the engine compartment.
• Improved wire routing for a cleaner engine-bay presentation.
• Compatible with popular B-Series swap sensor and accessory layouts.

Specifications

• Part Number: RY-B2-BASE
• Harness Type: Budget tuck engine harness
• Engine Support: B-Series and D-Series
• ECU Connector Type: OBD1
• Wire Construction: Mil-Spec Teflon, heat-resistant to 200°C

Included Components

• 1x Rywire RY-B2-BASE main engine harness
• 1x Sub-harness connector pack
• 1x Installation guide and wiring diagram

Product Description

The Rywire RY-B2-BASE engine harness is a budget-friendly, clean-tuck solution for Honda and Acura platforms running B-Series or D-Series engines. It is engineered to simplify swap wiring while delivering a clean, minimal-wire engine-bay appearance. Using high-temperature Mil-Spec Teflon wiring, the harness provides reliability and heat resistance for daily driving or track use.

This modular design allows the main engine section to remain reusable, even when moving the swap into a different chassis. Labeled connectors, smart routing, and improved durability help ensure a smooth installation, whether you are refreshing an older swap or building a tucked engine bay for a show car. Choose the correct chassis adapter and any required plug converters to complete your setup.