Best OBD1 To OBD2 Adapters – 2022 Complete Review

There are many times when you are on the road and find yourself in an emergency. If you have an outdated vehicle, it can be very unmanageable to diagnose the exit without the avail of an OBD1 to OBD2 arranger. In this article, you will find reviews of the very best adapters on the market for all types of manufacturers and vehicles.

Comparison of the Best OBD1 to OBD2 Adapters

Are All OBD1 to OBD2 Adapters the Same?

No, not all OBD1 and OBD2 adapters are the lapp. There are many differences between them, and hera are a few listed below : OBD1 is a diagnostic system that focuses on the discharge operate systems of the vehicle. OBD2 is a more advance version of an OBD1 in terms of features and is equipped with enhance signaling protocols adenine well as messaging format. It gives better results in emission control systems.

99 OBD1 needs to be connected to a console inside the car in arrange to diagnose problems and read data, while OBD2 can read data through a Bluetooth association. OBD1 was manufactured for use much earlier than OBD2, which was introduced in the 1990s, a lot after OBD1 ’ s launching. It has a dear quality interface and standardized trouble codes to determine the vehicle ’ s engine problems. Hence, due to these differences, not all OBD1 and OBD2 adapters are the like. They are designed for different models of cars and are manufactured for different purposes. The engines and makes of each car manufacturer are unlike, specially between the earlier times and now .

Characteristics of Our Favorite OBD1 To OBD2 Adapters

Before you dive into the review, go over these characteristics that make up a dependable OBD1 to OBD2 arranger, so you know which features to look for when you buy one :


A good OBD1 to OBD2 scanner is made with high-quality materials so that it doesn ’ metric ton wear out or get damaged in harsh conditions or with extensive use. This ensures that the arranger is durable and durable, which means that it will provide good prize for the money paid .

Plug and Play feature

If you need to use an OBD1 to OBD2 arranger in hand brake cases, you need one that works very quickly without any drawn-out installation or apparatus procedure. A commodity adapter has a plug-and-play feature, which means that it works absolutely when beginning installed, without any add reconfiguration by the user .


If you are looking for a harness that will final you a long time, then you need to make certain that the guarantee of this device besides supports this notion. You need to make certain that the manufacturer provides on-call customer service and guarantee to fix any issues that may arise in the adapter .

Review of the Best OBD1 to OBD2 Adapters

Let ’ s take a look at the review of the best OBD1 and OBD2 scanners on the market, so you can decide which one is better for you.

Best Overall:
Unlimited Rider Engine Harness

1 31 3



  • Allows for a quiet and politic ride
  • Saves time for wiring up the distributor
  • Plugs in well and starts functioning immediately
  • good timbre materials used in its construction
  • Versatile, and works on many different cable car models


  • Can not be used for every car
  • not durable and doesn ’ t final long
  • Does not work on 99-00 Civic models

What Recent Buyers Report This merchandise works as advertise and does not have any flaws. It is a estimable intersection that provides value at a low monetary value, making it the best harness overall. It plugs in easily and doesn ’ metric ton require a lot of technical foul expertness, which is why it is the best universal Rider Engine Harness. Why it Stands Out to Us This is a good quality harness that is made with outstanding materials to deliver supreme performance and functionality. It plugs in well and does not take a fortune of clock time. It besides works absolutely on vtec apparatus and is a great device to have for emergency situations. Who Will Use This Most This harness is designed for Civic EX models ranging from the years 96-98. It is used as a harness for an OBD1 compatible car, and as a pivot distributor for OBD vehicles. It ’ s a versatile and flexible intersection that doesn ’ thyroxine monetary value that much and can fix your vehicle-related problems instantaneously. Bottom Line If you ’ ra looking for a rule or a trap distributor for your 95-98 cable car model, then this is the best device for you. With its plug and play feature and the ease of setting up, IT saves time and gives you that flawless process you need in emergency situations.

OBD1 to OBD2 Adapter Fuel Injector

2 62 6



  • Fits many unlike brands of vehicles
  • No cut or splice, very easy setup
  • risk-free purchase with a flexible tax return policy
  • Brand new device which is well-packaged to ensure high standards
  • Manufactured in rigid quality standards to maintain its high-quality


  • VTPS is required to wire in
  • not adequate to of passing smog
  • You have to remove resistor box and modify harness for OBD2 injector

What Recent Buyers Report These injectors fit absolutely in many different models, which means they can be used widely by a issue of people. They are made with good choice materials, and the performance talk for itself. It is easy to install and doesn ’ t require a draw of setting up. Why it Stands Out to Us The rationality why this product stands out is that it ’ s made with high-quality materials and manufactured under hard-and-fast standards therefore that there is no error in terms of the functionality of these injectors. It is besides plug and bring, and can be used for Honda Accord, Civic, Odyssey, Prelude, and many more vehicles. Who Will Use This Most This can be used by many different users, as it fits on Civic, Civic del Sol, Honda Accord, CRX, Prelude, Odyssey, Vigora, NSX, and Acura Integra. It works absolutely on many different models from different manufacturers and is great for people looking for convenience and rest. Bottom Line If you are looking for a fuel injector conversion harness for any of the above-mentioned models, then do not hesitate to give this device a dart. It works amazing and is built with nonindulgent standards, so you can rely on the lastingness and functionality of this harness.

Best for the Money:
OBD2 to OBD1 EV1 Fuel Injector

3 33 3



  • Set of 4 harnesses to run larger injectors
  • plug and play does not cut without splice
  • Works in about every 96-up Honda exemplary
  • compatible with many unlike models of vehicles
  • Easy to use and set up without any technical expertness


  • Resistor box needs to be removed
  • Returns are unacceptable without RMA number
  • meaning and delivery costs worldwide are besides high

What Recent Buyers Report Users found the distance of these harnesses to be perfect ; they weren ’ t excessively long or besides short. furthermore, it works as advertise and does the job absolutely. It is made with good choice materials and functions properly. Most of all, it is easy to use and provides good value for the money. Why it Stands Out to Us This is a brand-new set that works on many different vehicles from assorted manufacturers. It is 100 % plug and act, without cutting or splicing, and is an easy way to use OBD1 fuel injectors in reasonably much any 1996 or up Honda. The customer serve is besides bang-up, and the product is durable and durable. Who Will Use This Most This device can be used for OBD2 96-up Honda Prelude ‘s, RSX ’ second, Integra ’ randomness, and S2000s. It is besides created for use on any 96-up Honda and Acura models for OB1 or RC style fuel injectors. It allows larger OBD2 cars to run larger injectors or OBD1 ( EV1 ) injectors. Bottom Line If you are looking for a fuel injector harness set that provides excellent value for money, then this is the one you should go for. It is designed for accuracy and high manoeuver functionality and is made with good quality materials to stay durable and perform seamlessly .

Best OBD1 to OBD2 Adapter for Chevy:
South Bay Diagnostics

4 34 3



  • change from 12-pin to 16-pin
  • Works brilliantly on Chevrolet
  • good functionality and operation
  • Works as advertised without any complaints
  • Made with high-quality materials to ensure lastingness and sturdiness


What Recent Buyers Report Users found this intersection to be in truth well built, and the quality of the materials to be quite durable. furthermore, it works just as advertise on-line. While some users had an issue with its no plug and act system, most of them liked the product and recommended it. Why it Stands Out to Us This merchandise stands out to us because of its high gear functionality ampere well as its design. It is besides superintendent durable and durable and does not wear out easily. This means that the customers can make full use of it without worrying about it getting damaged. Who Will Use This Most This is the best adapter cable television for GM GMC Chevrolet Pontiac, and it works good if you need a adept timbre adapter that is only designed for this determination. sol if you have a Chevrolet, you can truly benefit from this product. Bottom Line If you are on the hound for a 12 or 16-pin ALDL arranger for Chevrolet, then you have landed in the right topographic point. This product works just as advertise, and hopefully, you will not be disappointed in the results. It is strong, durable, and works brilliantly .

Best OBD1 to OBD2 Adapter for Ford:
CBK 7 Pin Male OBD1 to OBD2

5 35 3



  • Handy jumper for earlier vehicles
  • Super-fast ship of the adapter
  • Designed for Ford and works flawlessly
  • well-made product with thoroughly quality build
  • Allows you to use OBD1 and 2 diagnostic tools using a 7-pin interface


  • Fails to connect to some vehicles
  • ineffective to read codes properly for some customers
  • Does not work with a newfangled OBD2 Bluetooth scanner

What Recent Buyers Report Users found this jumper to be reasonably utilitarian in diagnosis for Ford vehicles. It is pretty versatile as it comes with 2 connectors, one with a 7-pin interface, and another with a 16-pin interface. Both of them work as advertised and are well-built for superb functionality and longevity. Why it Stands Out to Us This is a versatile connection that can be used on a 7-pin or a 16-pin interface. It is a great connection for Ford users and works equitable as advertise. The ship was besides very fast, and it is a handy jumper to have in your vehicle if you have a 95 or earlier cable car or truck. Who Will Use This Most As mentioned before, if you have a 95 or earlier fomite, peculiarly a Ford vehicle, then this is the adapter for you. Make certain that the pin is either 7 or 16, as it is lone compatible with that interface. It besides allows you to make function of your OBD1 and OBD2 diagnostic tools. Bottom Line If you are looking for the best arranger for Ford, which is either OBD1 or OBD2, then this is the one for you. With its impressive timbre and great build, you can be wholly relieved as this adapter does the occupation for you. It is besides very handy for emergencies .

Best OBD1 to OBD2 Adapter for Honda:

6 16 1 PROS

  • Provides great value for money
  • Works good as advertise and more
  • Can be used for many different models
  • very good quality product made from high-quality materials
  • Replaces all the other faulty harnesses on the market with its bang-up functionality


  • For off-road use alone
  • Works best for Honda vehicles
  • only used for manual infection and not automatic

What Recent Buyers Report Users replaced all their other default harnesses to use this one because of its flawless operation and supreme quality build. It works for a long time, and it is besides durable. furthermore, this arranger provides rate for money, because not merely is it bum, but it is great in quality besides. Why it Stands Out to Us This sweater conversion harness arranger is very easy to set up and use and does not very require any technical abilities. It is used for manual transmission and works truly well in Honda cars or trucks. It is made with durable quality materials, which makes its animation long. Who Will Use This Most If you own a Honda or Acura vehicle, you will get the most benefit out of this merchandise. It works for longer periods of time without compromising on the effectiveness and choice. It works on older OBD1 1992 models to 1995 ECU in the computer, and 1996 forth on any Honda or Acura fomite. Bottom Line With its high-quality design and versatility, you will consider yourself impress with this harness. As per the customer reviews and the functionality of this device goes, this is a actually knockout harness that works just as advertise, with no victimize or lies about its quality and construction .

Best OBD1 to OBD2 Adapter for Toyota:
EEEKit 22 Pin OBD1 to 16 Pin OBD2

7 17 1



  • Allows conversion between both the pins
  • This is a great cock that functions accurately
  • estimable quality construction that ensures lastingness
  • Cable has two connectors, one with 22-pin and another with 16
  • Can be used for vehicle demerit diagnosis, detector and engine fault diagnosis


  • There is no seller quality operate
  • Could not be installed for some users
  • Some of the connectors were deformed

What Recent Buyers Report This is a very versatile tool that can be used for many different purposes. It is made with high-quality raw materials and has two connectors. It is besides durable and performs fair as advertise. It can save you a lot of trouble and clock on the road equally well. Why it Stands Out to Us The blueprint of this device is well-made, and it is post new, which means that it has the agent of lastingness. furthermore, it is versatile and can diagnose the vehicle ’ randomness faults, adenine well as the engines. It besides comes with two connectors and is designed for longevity. Who Will Use This Most This is a bang-up tool because it functions as a vehicle fault diagnostic tool, a vehicle blame detector, and an locomotive fault diagnostic instrument. It besides allows you to use your OBD1 and OBD2 diagnostic tools with a 22-pin Toyota interface and can be used as a conversion instrument between 22-pin to 16-pin. Bottom Line If you own a Toyota and you are looking for the best arranger that works well for it, then this is the one for you. not only is it a life buoy for emergencies, but it is big for normal use as well. thus, if you need an arranger that lasts long and works brilliantly, then do try this one knocked out .

Best OBD1 to OBD2 Adapter for GM:
JahyShow 12 Pin to OBD1 OBD2




  • Works just as advertise
  • compatible with all GM cars after 1996
  • Brand new harness with high-quality design
  • Lifetime guarantee available to ensure risk-free purchase
  • Created with environment-friendly materials to reduce befoulment


  • only works on GM models
  • Does not work on a battery-operated calculator
  • OBD1 association needs a separate power supply

What Recent Buyers Report For an OBD1 scanning creature, you will need a ability add so you can make it function. apart from that, this adapter works in truth well and is built for longevity and lastingness. It besides has fast ship and works fair as advertise on-line. It does the problem well and is well designed. Why it Stands Out to Us This is a brand-new arranger kit that is made with high-quality materials to ensure that it doesn ’ deoxythymidine monophosphate wear out easily. It is besides compatible with GM cars after 1996 and comes with two connectors. furthermore, it is designed with Eco-friendly materials, which reduces contamination, and makes this device more impressive. Who Will Use This Most This is only for GM vehicles which were manufactured after 1996. You get well customer service, high-quality construction, and a life guarantee with this device. The 12-pin adapter allows you to connect any compatible diagnostic tools on a GM vehicle with your preexistent OBD2 16-pin tool. Bottom Line If you are looking for an environment-friendly product that works well, angstrom well as, reduces contamination, then this is the best device for you. This GM arranger has a life guarantee, besides, and does not get damaged well. so, if you own a GM vehicle made after 1996, then get this arranger !

Aspects to Consider Before Buying

OBD1 to OBD2 adapters are used in club to connect compatible diagnostic tools to an OBD1 fomite so that if there ’ s an issue with the vehicle, you can easily convert the interface. here are a few aspects you should consider before buying one :

The Model

You need to consider which exemplary vehicle you have and who the manufacturer is. Some adapters may operate on Ford vehicles, but not on Toyota or Chevrolet. Hence, you need to determine the right kind of fit for your type of vehicle .


These kinds of devices may not need a goodly come of technical foul expertness, but if you have absolutely no theme about these things, then it is better to consult a professional mechanic to determine if you need an arranger and which one is better suited for you .

Budget and Time Constraints

You besides need to consider the urgency of your adapter needs and whether or not the detail fits in your budget. Some of the models are bum but have heavy consequence duties and transportation costs associated with them, which make them truly expensive. so, chart out the best ones in your budget, and check if they are available for instant ship if you need one right off .


hopefully, this article gave you some insight into which OBD1 to OBD2 arranger is best for you. This is a very handy tool to have, particularly if you are road-tripping or work in distant areas where a machinist ’ south facility will not be available to you easily. so, make sure you have one of these adapters ready for any hand brake that may come your way .

People Also Ask

If you inactive have some ambiguities floating in your mind, this parcel of frequently asked questions will help you out in clearing some of your doubts. Let ’ s honkytonk right in :

Can You Convert OBD1 to OBD2?

Since the drive is not in tear of deciding whether your vehicle is OBD1 or OBD2, and it is actually the ECU, it is actually possible to make this conversion. however, you can only convert the fireplug into fuel injectors, or make certain the OBD1 centrifugal works on an OBD2 rule, or use a jumper harness.

What is the Difference Between OBD1 and OBD2?

OBD2 was recently introduced in car models equally recently as the 1990s, while OBD1 was used before that in the earlier years. OBD1 is besides connected inside the comfort of the cable car, whereas OBD2 is remotely attached to the vehicle. OBD2 is besides more gain in terms of engineering than OBD1 .

Can I Use OBD2 on OBD1?

OBD1 was wiped out after the introduction of OBD2. however, this standard is hush in function by some people nowadays, particularly those with vintage cars. This is why you can use the same tool from earlier times today. OBD2 works on more modern designs or models .

Does Every Car Have an OBD Port?

Every car that has been sold in the United States of America in the past 20 years or thus has been following the OBD2 standard. This means that yes, they do have a port, which can be found under the car ’ s splashboard on the driver ’ s seating side .

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