VTI
OBD2A / OBD2B to OBD1 ECU Adapter Harness – Mil-Spec | VTI
OBD2A / OBD2B to OBD1 ECU Adapter Harness – Mil-Spec | VTI
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OBD2A / OBD2B to OBD1 ECU Adapter Harness – Mil-Spec | VTI
Not all adapters are created equal. VTI's OBD2A and OBD2B to OBD1 ECU adapter harnesses are designed, tested, and manufactured in-house — built to the same mil-spec standards as our full engine harnesses. These are not cookie-cutter eBay adapters.
If you're running an OBD1 ECU conversion, Hondata S300, chipped P28/P72, or any professional motorsport build that demands reliable ECU connectivity — this is the adapter you want.
Why VTI Adapters Are Different
- True OEM OBD1 ECU connectors — durable, tested fitment every time
- M22759/32 Mil-Spec Tefzel wire — lightweight, abrasion & heat resistant
- Clean, loom-free routing — professional autosport splice points, no bulky shrink wrap
- Plug-and-play install — drops directly into your stock OBD2A or OBD2B harness
- Made in the USA — designed, tested, and built at VTEC Innovations
Technical Specs
- Wire: M22759/32 20AWG Mil-Spec Tefzel
- Build Style: Autosport splice — no loom
- Connector Type: Genuine OEM OBD1 ECU
- Options: OBD2A → OBD1 / OBD2B → OBD1
- Warranty: Backed by VTI's professional autosport quality guarantee
Perfect For
- OBD1 ECU conversions on OBD2A/OBD2B chassis
- Hondata S300 / chipped P28 / P72 setups
- Professional motorsport and track builds
- Anyone who refuses to trust a cheap eBay adapter on their build
What's Included
- 1x VTI OBD2A or OBD2B to OBD1 ECU Adapter Harness
- Install guide PDF (download)
Off-Road Use Disclaimer
Off-Road Use Disclaimer
Disclaimer
Off-Road / Race Use Only
All products and services offered on this website are intended strictly for off-road and race use only. These products may not comply with federal, state, or local emissions, safety, or road-use regulations. It is the sole responsibility of the purchaser to ensure that any modifications comply with all applicable laws and regulations in their area.
No Liability for On-Road Use
By purchasing or installing any products or services from this website, you acknowledge and agree that we are not responsible or liable for any damages, injuries, penalties, fines, or legal issues that may arise from the on-road use of these products. Installation and use of these products on public roads or highways is strictly at your own risk.
Customer Responsibility
The customer assumes full responsibility for:
- Determining the legality of any product for their intended application and location.
- The installation and proper use of all products.
- Any consequences, including but not limited to personal injury, vehicle damage, or legal penalties, that may result from their use.
No Warranty of Compliance
We make no claims, guarantees, or warranties that our products are legal for street use, emissions compliance, or meet any specific regulatory standards outside of their intended off-road/race applications.
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