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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If you have an outdated vehicle, it can be very difficult to diagnose the issue without the help of an OBD1 to OBD2 adapter.
In this article, you will find reviews of the very best adapters on the market for all types of manufacturers and vehicles.
At a Glance: Our Top Picks for OBD1 To OBD2 Adapters
Comparison of the Best OBD1 to OBD2 Adapters
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Are All OBD1 to OBD2 Adapters the Same?
No, not all OBD1 and OBD2 adapters are the same. There are many differences between them, and here are a few listed below:
OBD1 is a diagnostic system that focuses on the emission control systems of the vehicle. OBD2 is a more advanced version of an OBD1 in terms of features and is equipped with enhanced signaling protocols as well as messaging format. It gives better results in emission control systems.
Unlimited Rider Engine Harness
OBD1 needs to be connected to a console inside the car in order to diagnose problems and read data, while OBD2 can read data through a Bluetooth connection.
OBD1 was manufactured for use much earlier than OBD2, which was introduced in the 1990s, much after OBD1’s launch. It has a good 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 same. They are designed for different models of cars and are manufactured for different purposes. The engines and makes of each car manufacturer are different, especially 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 good OBD1 to OBD2 adapter, so you know which features to look for when you buy one:
Durability
A good OBD1 to OBD2 scanner is made with high-quality materials so that it doesn’t wear out or get damaged in harsh conditions or with extensive use. This ensures that the adapter is long-wearing and durable, which means that it will provide good value for the money paid.
Plug and Play feature
If you need to use an OBD1 to OBD2 adapter in emergency cases, you need one that works really quickly without any lengthy installment or setup process. A good adapter has a plug-and-play feature, which means that it works perfectly when first installed, without any added reconfiguration by the user.
Warranty
If you are looking for a harness that will last you a long time, then you need to make sure that the warranty of this device also supports this notion. You need to make sure that the manufacturer provides on-call customer service and warranty to fix any issues that may arise in the adapter.
Quick Take - Best OBD1 To OBD2 Adapters
In a hurry? Here's a snapshot of the best OBD1 to OBD2 adapters:
Review of the Best OBD1 to OBD2 Adapters
Let’s take a look at the reviews 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
PROS
CONS
What Recent Buyers Report
This product works as advertised and does not have any flaws. It is a good product that provides value at a low price, making it the best harness overall. It plugs in easily and doesn’t require a lot of technical expertise, 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 easily and does not take a lot of time. It also works perfectly on vtec setup 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 pin distributor for OBD vehicles. It’s a versatile and flexible product that doesn’t cost that much and can fix your vehicle-related problems instantly.
Bottom Line
If you’re looking for a harness or a pin distributor for your 95-98 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 operation you need in emergency situations.
Runner-up:
OBD1 to OBD2 Adapter Fuel Injector
PROS
CONS
What Recent Buyers Report
These injectors fit perfectly in many different models, which means they can be used widely by a number of people. They are made with good quality materials, and the performance speaks for itself. It is easy to install and doesn’t require a lot of setting up.
Why it Stands Out to Us
The reason why this product stands out is that it’s made with high-quality materials and manufactured under strict standards so that there is no error in terms of the functionality of these injectors. It is also plug and play, 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 perfectly on many different models from different manufacturers and is great for people looking for convenience and ease.
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 shot. It works amazing and is built with strict standards, so you can rely on the durability and functionality of this harness.
Best for the Money:
OBD2 to OBD1 EV1 Fuel Injector
PROS
CONS
What Recent Buyers Report
Users found the length of these harnesses to be perfect; they weren’t too long or too short. Moreover, it works as advertised and does the job perfectly. It is made with good quality 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 various manufacturers. It is 100% plug and play, without cutting or splicing, and is an easy way to use OBD1 fuel injectors in pretty much any 1996 or up Honda. The customer service is also great, and the product is long-wearing and durable.
Who Will Use This Most
This device can be used for OBD2 96-up Honda Prelude's, RSX’s, Integra’s, and S2000s. It is also 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 operating functionality and is made with good quality materials to stay durable and perform seamlessly.
Best OBD1 to OBD2 Adapter for Chevy:
South Bay Diagnostics
PROS
CONS
What Recent Buyers Report
Users found this product to be really well built, and the quality of the materials to be quite durable. Moreover, it works just as advertised online. While some users had an issue with its no plug and play system, most of them liked the product and recommended it.
Why it Stands Out to Us
This product stands out to us because of its high functionality as well as its design. It is also super durable and long-wearing 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 for GM GMC Chevrolet Pontiac, and it works best if you need a good quality adapter that is only designed for this purpose. So if you have a Chevrolet, you can really benefit from this product.
Bottom Line
If you are on the hunt for a 12 or 16-pin ALDL adapter for Chevrolet, then you have landed in the right place. This product works just as advertised, 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
PROS
CONS
What Recent Buyers Report
Users found this jumper to be pretty useful 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 connector that can be used on a 7-pin or a 16-pin interface. It is a great connector for Ford users and works just as advertised. The shipping was also very fast, and it is a handy jumper to have in your vehicle if you have a 95 or earlier car or truck.
Who Will Use This Most
As mentioned before, if you have a 95 or earlier vehicle, particularly a Ford vehicle, then this is the adapter for you. Make sure that the pin is either 7 or 16, as it is only compatible with that interface. It also allows you to make use of your OBD1 and OBD2 diagnostic tools.
Bottom Line
If you are looking for the best adapter for Ford, which is either OBD1 or OBD2, then this is the one for you. With its impressive quality and great build, you can be completely relieved as this adapter does the job for you. It is also very handy for emergencies.
Best OBD1 to OBD2 Adapter for Honda:
OBD2A to OBD1 ECU
PROS
CONS
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 also durable. Moreover, this adapter provides value for money, because not only is it cheap, but it is great in quality too.
Why it Stands Out to Us
This jumper conversion harness adapter is very easy to set up and use and does not really require any technical abilities. It is used for manual transmission and works really well in Honda cars or trucks. It is made with durable quality materials, which makes its life long.
Who Will Use This Most
If you own a Honda or Acura vehicle, you will get the most benefit out of this product. It works for longer periods of time without compromising on the effectiveness and quality. It works on older OBD1 1992 models to 1995 ECU in the computer, and 1996 onward on any Honda or Acura vehicle.
Bottom Line
With its high-quality design and versatility, you will consider yourself impressed with this harness. As per the customer reviews and the functionality of this device goes, this is a really knockout harness that works just as advertised, with no scams or lies about its quality and construction.
Best OBD1 to OBD2 Adapter for Toyota:
EEEKit 22 Pin OBD1 to 16 Pin OBD2
PROS
CONS
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 also durable and performs just as advertised. It can save you a lot of trouble and time on the road as well.
Why it Stands Out to Us
The design of this device is well-made, and it is brand new, which means that it has the factor of durability. Moreover, it is versatile and can diagnose the vehicle’s faults, as well as the engines. It also comes with two connectors and is designed for longevity.
Who Will Use This Most
This is a great tool because it functions as a vehicle fault diagnostic tool, a vehicle fault detector, and an engine fault diagnostic tool. It also allows you to use your OBD1 and OBD2 diagnostic tools with a 22-pin Toyota interface and can be used as a conversion tool between 22-pin to 16-pin.
Bottom Line
If you own a Toyota and you are looking for the best adapter that works well for it, then this is the one for you. Not only is it a lifesaver for emergencies, but it is great for normal use as well. So, if you need an adapter that lasts long and works brilliantly, then do try this one out.
Best OBD1 to OBD2 Adapter for GM:
JahyShow 12 Pin to OBD1 OBD2
PROS
CONS
What Recent Buyers Report
For an OBD1 scanning tool, you will need a power supply so you can make it function. Apart from that, this adapter works really well and is built for longevity and durability. It also has fast shipping and works just as advertised online. It does the job well and is well designed.
Why it Stands Out to Us
This is a brand-new adapter kit that is made with high-quality materials to ensure that it doesn’t wear out easily. It is also compatible with GM cars after 1996 and comes with two connectors. Moreover, it is designed with Eco-friendly materials, which reduces pollution, and makes this device more impressive.
Who Will Use This Most
This is only for GM vehicles which were manufactured after 1996. You get good customer service, high-quality construction, and a lifetime warranty with this device. The 12-pin adapter allows you to connect any compatible diagnostic tools on a GM vehicle with your pre-existing OBD2 16-pin tool.
Bottom Line
If you are looking for an environment-friendly product that works well, as well as, reduces pollution, then this is the best device for you. This GM adapter has a lifetime warranty, too, and does not get damaged easily. So, if you own a GM vehicle made after 1996, then get this adapter!
Aspects to Consider Before Buying
OBD1 to OBD2 adapters are used in order to connect compatible diagnostic tools to an OBD1 vehicle 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 model 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.
Consultation
These kinds of devices may not need a hefty amount of technical expertise, but if you have absolutely no idea about these things, then it is better to consult a professional mechanic to determine if you need an adapter and which one is better suited for you.
Budget and Time Constraints
You also need to consider the urgency of your adapter needs and whether or not the item fits in your budget. Some of the models are cheap but have heavy import duties and shipping costs associated with them, which make them really expensive. So, chart out the best ones in your budget, and check if they are available for instant shipping if you need one right away.
Conclusion
Hopefully, this article gave you some insight into which OBD1 to OBD2 adapter is best for you. This is a very handy tool to have, especially if you are road-tripping or work in remote areas where a mechanic’s facility will not be available to you easily. So, make sure you have one of these adapters ready for any emergency that may come your way.
People Also Ask
If you still have some ambiguities floating in your mind, this portion of frequently asked questions will help you out in clearing some of your doubts. Let’s dive right in:
Can You Convert OBD1 to OBD2?
Since the motor is not in charge 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 plug into fuel injectors, or make sure the OBD1 motor works on an OBD2 harness, or use a jumper harness.
What is the Difference Between OBD1 and OBD2?
OBD2 was lately introduced in car models as recently as the 1990s, while OBD1 was used before that in the earlier years. OBD1 is also connected inside the console of the car, whereas OBD2 is remotely attached to the vehicle. OBD2 is also more advanced in terms of technology than OBD1.
Can I Use OBD2 on OBD1?
OBD1 was wiped out after the introduction of OBD2. However, this standard is still in use by some people today, especially 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 so has been following the OBD2 standard. This means that yes, they do have a port, which can be found under the car’s dashboard on the driver’s seating side.
