Ignitions and Electrical› Wiring Harnesses

Honda/Acura

SpeedFactory ECU Jumper Harness

$150.00

SKU: OBD2B TO OBD1

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The SpeedFactory OBD2B to OBD1 ECU Jumper Harness is designed for Honda and Acura vehicles. It allows the use of an OBD1 (1992-1995) manual transmission ECU in OBD2B vehicles for precise tuning. The harness features OEM-style ECU pin connections and extended 7-inch leads.
Show original supplier description
The SpeedFactory Racing OBD2B to OBD1 ECU Jumper Harness is engineered for enthusiasts needing to use an OBD1 (1992-1995) Honda/Acura manual transmission ECU for precise tuning of high-performance engines in OBD2B vehicles. This harness is compatible with 1999-2000 Honda Civic, 1999-2001 Acura Integra, 1999-2001 Honda CR-V, 1999-2001 Honda Prelude, and 2000-2001 Honda Accord, providing a seamless integration for optimal engine management. Built for reliability, the harness features OEM-style ECU pin connections on all plugs, extended 7-inch leads for improved routing, and durable automotive-grade wire that surpasses factory specifications. Its plug-and-play design requires no cutting or soldering, ensuring a clean, dependable installation. Key Features include the ability to use an OBD1 MT ECU in OBD2B vehicles, OEM-style ECU pin connections for reliable performance, extended 7-inch harness leads for easier installation, and durable automotive-grade wire exceeding OEM standards. The installation process is straightforward: simply connect one side of the harness to your OBD1 ECU and the other side to your factory OBD2B engine harness.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandHonda/Acura
Part NumberOBD2B TO OBD1
CategoryIgnitions and Electrical

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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