The Best Obd2 To Obd1 Adapter of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Obd2 To Obd1 Adapter of 2025. Check our ranking below.
2,482 Reviews Scanned
Rank No. #1
Hirificing OBD1 Scanner, OBD1 to OBD2 GM Adapter, OBD 1 Scanner Cable Code Reader OBD1 12 Pins to OBD2 OBD II 16 Pins Socket Scan Diagnostic Extension Tool Cable Connector Replacement for GM Popular
- 【Professional Accessories】Our OBD1 scanner connector is a male-to-female extension cable specifically designed to connect the scanner and vehicle, a utility tool specifically designed for GM vehicles, but this item is just a cable, not a scanner or diagnostic tool.
- 【Upgrade Material】The obd1 to obd2 adapter is made of high-quality metal and premium PVC material, which is durable and reliable in quality. Made of precision injection molding, it is not easy to break.
- 【High Quality】This OBD2 to OBD1 GM adapter combines flexibility and durability, the cable is easy to operate and use, multiple cables can be daisy chained together for longer distances, it manufactured to standard specifications, can be used for a long time use.
- 【Easy to Install】Our obd1 to obd2 adapter cable connector replacement is easy to use, plug and play, no driver required, just connect your vehicle with an OBD1 12-pin socket with your existing OBD2 16-pin tool , ideal for attaching the scanner to GM vehicles.
- 【Reduce Wear and Tear】Our 12-pin to OBD2 16-pin connector works perfectly with scanning software, with stable transmission without interference. Functioning as an extension cord can reduce the wear and tear on the OBD connector caused by frequent plugging and unplugging, and protect your car's OBDII connector.
Rank No. #2
Autel Original OBD1 to OBD2 GM Adapter Cable, 12 Pin Male to 16 Pin Female Extension, OBD II Connector Replacement for GM Diagnostic Tool
- 📢⚠️【Please Read Carefully before Purchasing】- ▶ This is just a 12Pin to 16Pin converter cable ONLY, not a diagnostic scanner. ▶ Please comfirm that your car supporting the OBD2 protocol and your scanner being compatible with your cars with the functions you need – none of which is related to our cable. ▶ This 12pin OBD port does not provide a power supply. Any question please conta.ct us via: 📞Autelchoice @ outlook . com📞.
- ✅【Compatible with GM Vehicles】 Autel 12-Pin OBD1 male to 16-Pin OBD2 female adapter has high practicality. Our OBD1 scanner connector is a male-to-female extension cable specifically designed to connect the your diagnistic scanner and vehicle to perform a rang of advanced function, such as read/clean codes, ECU coding, full system diagnostic, bidirectional control, etc.
- ✅【Functions 】AutelOBD1 Scanner Adapter Cable is easy to use, its 12 pins allows you to connect a vehicle with a OBD1 12 pins female socket with your existing OBD2 16 pins tool, which works perfectly with scanning software, stable transmission, antijamming. Practical and convenient in use. Such a practical tool you will need it.
- ✅【Simple 3 Steps, Plug & Play】Our obd1 to obd2 adapter cable connector replacement is easy to use, plug and play, no driver required, just connect your vehicle with an OBD1 12-pin socket with your existing OBD2 16-pin tool , ideal for attaching the scanner to GM vehicles.
- ✅【Metal+Plastic Material】Autel OBD1 Adapter Cable is made of high quality metal and plastic materials, which is durable is ecofriendly. 10000+ Plugging and Unplugging testing. And it adopts precision injection molding with highquality workmanship, which has reliable quality and long service life.
Rank No. #3
Teybouk OBD1 Scanner Connector, 1 PC 12 Pin to OBD1 to OBD2 Adapter Cable, 40CM Diagnostic Extension Tool for Vehicle Data Reading, Compatible with Most Cars
- High Compatibility: Designed for connecting OBD1 diagnostic systems to OBD2 scanners, this adapter cable is compatible with most vehicles that use OBD1 interfaces.
- Durable & Flexible Design: The 40CM/15.7In cable is made from high-quality materials to provide flexibility and long-lasting performance during frequent diagnostic use.
- Easy to Use: Simply plug the OBD1 end into your vehicle and connect the OBD2 scanner to start reading diagnostic codes quickly and accurately.
- Reliable Connection: The stable interface ensures clear data transmission between the car’s OBD1 port and your OBD2 diagnostic scanner.
- Professional & Convenient: Perfect for automotive technicians, repair shops, and car owners who perform regular maintenance and diagnostics.
Rank No. #4
Autel 7 Pin OBD1 to OBD2 Adapter Cable for Ford, 7Pin OBD1 to 16 Pin OBD2 Diagnostic Cable, Fit for Ford Vehicles with 7Pin Port, Work with Scan Tool and Code Reader
- 📢【Please Confirm Carefully Before Ordering】This Autel 7pin OBD cable is used to convert your For.d 1985-1991 OBD1 diagnostic interface to OBD2 interface for connecting to universal scanners. But please note that it only provides a physical interface conversion and does not guarantee normal communication for all scanners, as diagnostic success depends on whether your scanner supports earlier protocols, such as For.d EE.C-IV. If data transmission fails, please reach us via: 💌auteldirect @ outlook. com💌, we will provide you with the most suitable solution.
- 🌈【OBD II Connector Adapter 7-pin】This OBD adapter is designed for old Ford cars (1985-1991) with 7-pin OBD1 port, allowing you to convert your car's 7PIN irregular OBD port to a normal 16PIN OBD2 port, connecting the vehicle and scanner/ car diagnostic tool normally.
- 🌈【Compatible for Ford Cars (1985-1991)】This OBD1 to OBD2 vehicle adapter is mainly suitable for Ford vehicles with 7-pin OBD ports,mainly for Ford EFI from 1985 - 1991. The 7-pin diagnostic port is usually located below the brake master cylinder of old Fo-rd EFI vehicles from 1985 to 1991. Note: This product is only a cable for data transmission, not a scanner or diagnostic tool.
- 🌈【Usage Steps】1. Insert the 7PIN port into the car's 7PIN OBD diagnostic port; 2 Connect the other end of the OBD 2 interface to the OBD2 scanner; 3. Connection completed Start scanning. After the connection is successful, you can carry out full system diagnosis of the vehicle, read codes and clear codes, monitor real-time data, etc.
- 🌈【High-Quality, 100% Original】This product is exquisitely made, and each interface is finely polished to ensure stable data transmission. The length and thickness of the cable are just right, which is an excellent connection bridge between the car and the scanner.
Rank No. #5
RED WOLF OBD2A to OBD1 ECU Jumper Conversion Harness Adapter Compatible with 1996-1999 Acura Integra, 1996-1998 Civic, 1996-1997 Accord, Plug & Play OBD1 Vehicle Jumper Cable Harness
- Compatibility: RED WOLF jumper harness adapter is compatible with 1996-1999 Acura Integra, 1996-1998 Honda Civic / Del Sol, 1996-2001 Honda Prelude, and 1996-1997 Accord
- Function: Car jumper cable adapter converts OBD2A interface to OBD1 ECU connector; Not usable if ECU is not OBD1 spec or vehicle harness is not OBD2A spec
- Note: OBD2A to OBD1 adapter is for manual transmission only, not automatic; OBD2A only, not OBD2B; Compatibility depends on computer and harness specs, not the engine
- Reliable & Durable: Crafted from durable ABS plastic housing and great-conductivity pure copper wires with PVC insulation, this OBD2B to OBD1 conversion harness offers superior corrosion and wear resistance while ensuring optimal electrical performance
- Easy Installation: Durable OBD1 wire harness has a plug-and-play design, no wire cutting needed; The red plug connects to the car's OBD2A port, and the gray plug connects to the OBD1 device
Rank No. #6
DEVMO Distributor Jumper Harness OBD2 to OBD1 10 PIN Compatible with Civic 1996-1998 (99-00 Civic SI) Integra H-Quality
- Only use 10-pin plugs on all 96-98 regular models or 99-00 B series models
- If your vehicle is a 99-00 CIVIC EX/DX/CX/HX model, this will not be suitable!
- 10 Pin OBD2 to OBD1 Distributor Engine Harness
- Compatible with:1996-1998 Civics (all),1999-2000 Civic Si ,1996-2001 Integra (all)
- Package Included: 1pcs OBD2 TO OBD1 10 PIN DISTRIBUTOR JUMPER HARNESS
Rank No. #7
OBD2 to OBD1 GM Adapter, Car Code Reader, OBD1 12 Pin to OBD2 16 Pin Socket Scanner Cable Connector, Diagnostic Extension Tool, OBD1 Scanner Adapter Compatible with Most Models
- 【High-Quality Material】: The OBD1 to OBD2 adapter cable is crafted from high-quality PVC material, environmentally friendly, providing a sturdy and sustainable construction that is both flexible and long-lasting, ensuring an extended lifespan.
- 【Easy Installation】: This OBD1 to OBD2 adapter is plug-and-play without any tools and easy to use. Simply connect the vehicle's OBD1 12-pin socket to the OBD2 16-pin tool.
- 【Professional Accessories】: This OBD1 to OBD2 adapter cable is designed for seamless connection between vehicles and diagnostic tools, especially 12-pin socket vehicles with TCS diagnostic tools, transmission stable, anti-interference, manufactured for General Motors. Note: This product is only a cable, not a scanner or diagnostic tool.
- 【Light and Convenient】: With a size of approximately 16.14×1.83 inches, the adapter is compact and easy to carry and store, offering great convenience for everyday use in automotive diagnostics, providing long-lasting reliability to the user.
- 【Reduce Wear and Tear】: This OBD1 12-pin to OBD2 16-pin connector acts as an extension cord to minimize wear on OBD connections, protect your vehicle's OBDII connector from frequent plug and unplug processes, and ultimately extend the life of your automotive diagnostic infrastructure.
Rank No. #8
Hoypeyfiy 4Pcs OBD2 to OBD1 EV1 Fuel Injector Adapter Conversion Harness, Fuel Injector Connector Plug Wire Adapter Compatible with Honda Acura OBD2 Applications
- 4Pcs Injector Adapter Set: Includes 4 OBD2 to OBD1 EV1 fuel injector adapter harnesses. Designed for compatible injector connector conversion applications using matching OBD2 harness clips and OBD1 / EV1 style injector plugs.
- OBD2 to OBD1 EV1 Conversion: Helps connect selected OBD1 / EV1 style fuel injectors to compatible OBD2 vehicle harness applications. Please compare connector shape, wire layout, and injector plug style before purchase.
- Vehicle Applications: Compatible with selected Honda and Acura 1996-up OBD2 applications using matching injector connector style, including selected Integra, Prelude, RSX, S2000, and other compatible models.
- Injector Compatibility: Suitable for selected OBD1, EV1, and RC style aftermarket injector connector applications. Please verify injector plug type and vehicle harness connector before ordering.
- Package Includes: 4 x fuel injector adapter conversion harnesses. This is an aftermarket replacement adapter set. Professional inspection is recommended if injector connector type or wiring compatibility is unclear.
Rank No. #9
GAOLAOSY OBD1 to OBD2 Adapter, Auto Cable Code Reader Diagnostic Extension Tool, OBD1 12 Pins to OBD2 16 Pins Car Socket Scanner Cable, Auto Scanner Connector Replacement for Most Models
- 【Quality Material】: The OBD1 to OBD2 adapter cable is crafted with high-quality PVC material, which is wear-resistant, rugged, anti-interference, not easily deformed, and environmentally friendly. It is not easy to be damaged after a long time of use, and it always maintains stable transmission performance.
- 【Professional Accessories】: This OBD1 to OBD2 adapter is a male-to-female extension cable designed to build a connection between the diagnostic scanner and the vehicle. It is customized for 12-pin socket vehicles equipped with TCS diagnostic tools. Note: This package contains only cables.
- 【Easy to Install】: The OBD1 to OBD2 adapter cable connector is easy and convenient to install and can be plug and play. You only need to connect the OBD1 12-pin socket equipped in your vehicle to the OBD2 16-pin tool to complete the adapter operation.
- 【Reduce Wear and Tear】: This OBD1 to OBD2 adapter cable can act as an extension cord, effectively reducing interface wear caused by frequent plugging and unplugging, providing reliable protection for the vehicle's OBDII connector, and extending the service life of the on-board diagnostic system.
- 【Size】: You will receive 1 automotive diagnostic connection cable with a size of 16.14×1.83 inches. It is compact in size, easy to carry, and stored in the trunk of the car, making it convenient for you to diagnose vehicle faults at any time.
Rank No. #10
Autel Original Daewoo & GM OBD2 to OBD1 Adapter, 2026 OBDI 12 Pin Male Socket to 16 Pin Female OBDII Connector for General Motors Scan Tool
- 📢【Please Note】⚠️Compatibility Issues: The realization of diagnostic functions depends solely on: 1️⃣Whether your vehicle supports the related protocol 2️⃣Whether your scanner is compatible with your specific vehicle make/model 3️⃣Whether your scanner supports the functions you need—Any incompatibility caused by the above factors has no relation to this adapter. Please be sure to confirm your vehicle's interface type and scanner compatibility. It has a 1-year w-ar.ra-nty. For any questions,pls con-tact us: 💌Autelchoice @ outlook . com💌⚠️Not recommended for Innova/X-to.ol scan tools, 95 ch.ev.y s10,1993 GMC Si-er.ra 1500,95 gm pickup,1995 Chev.y S.ilv.erad
- ✅ 【Compatible with GM/Daewoo】The 2026 Newest Autel GM OBD1 to OBD2 Adapter features a 12-Pin OBD1 male connector + a 16-Pin OBD2 female connector. It enables seamless connection between GM vehicles equipped with a 12PIN OBD1 port and diagnostic scanners with a 16PIN port, supporting your scanner to perform code reading/erasing, full system diagnostic, etc. (Note: Specific functions depend on your scanner's compatibility and support for the vehicle. This is just an adapter for connecting purposes.)
- ✅ 【Plug and Play】This 12-pin to 16-pin GM OBD1 to OBD2 adapter forms a protective link between scanner and vehicle, for stable, anti-interference and 1s-level data transmission. It’s extremely user-friendly with plug-and-play operation. Boasting a reinforced, sturdy casing (superior to cable-style adapters), it withstands frequent plugging and unplugging while protecting the vehicle’s original port from damage.
- ✅ 【Autel Industrial-Grade Quality】Constructed with high-grade plastic and precision injection molding, the Autel OBD1 adapter boasts reliable quality, long-lasting durability and stable, high-speed data transmission – with a life far exceeding industry standards. It undergoes rigorous factory quality testing and endures over 10,000 plug-and-unplug cycles. As an Autel original adapter, it’s engineered for professional diagnostic performance.
- 💝【Risk-F r.ee Purchase】Autel adapter is backed by NEW R-E-PLACEMENT or FULL R*FUND policy within 30 Days of purchase. And it comes with 1-year w*arranty and 24/7 tech support covering all defects. Any questions, please don't hesitate to contact us via 🚘 Autelchoice @ outlook . com 🚘 for assistance. Note again: This adapter doesn’t transform a vehicle’s diagnostic system into OBD2; instead, it merely offers the physical interface that allows a compatible scanner to access the data the vehicle is able to transmit. ⚠️Not recommended for use with Innova/X-to.ol scan tools⚠️Not fit 95 ch.ev.y s10，1993 GMC Si-er.ra 1500，95 gm pickup，1995 Chev.y S.ilv.erad
Last update on 2026-06-02 / Affiliate links / Images from Amazon Product Advertising API
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