Rywire D & B-Series Mil-Spec Engine Harness w/Quick Disconnect/OBD1 Plugs (Adapter Req)

This is the Rywire Mil-Spec Engine Harness, specifically built for Honda D-series and B-series engines. If you're swapping one of these popular engines into a chassis or rebuilding your existing setup, a reliable wiring harness is absolutely critical. This harness uses Mil-Spec connectors and wiring, which are known for their durability and resistance to vibration and harsh environments, making them a solid choice for performance applications where reliability is key. It's designed to integrate with OBD1 ECUs, giving you access to a wide range of tuning capabilities and aftermarket support. The quick disconnect feature is a thoughtful addition, simplifying engine removal and installation for maintenance or trackside adjustments.

Rywire has a reputation for creating well-built wiring solutions for Honda enthusiasts, and this harness is no exception. The Mil-Spec components mean you're getting wiring that's built to withstand the rigors of performance driving. The use of OBD1 connectors means you can easily adapt it to a variety of popular Honda ECUs, allowing for custom tuning to get the most out of your engine build. It's important to note that this harness requires an adapter for certain applications, so be sure to check compatibility for your specific setup. This harness is a significant upgrade over factory wiring, offering improved reliability and ease of use for serious engine builds.

When installing this harness, pay close attention to the routing to ensure it stays clear of hot engine components and moving parts. The quick disconnect makes it easier to separate the engine harness from the chassis harness, which can be a real time-saver. While this harness is designed for OBD1 ECUs, you'll need to ensure you have the correct ECU and any necessary adapters for your specific vehicle and engine combination. This is a component that truly matters for the long-term health and performance of your engine swap or build.