Schumacher INC-7A-OBD On-Board Diagnostic Connector

• Plugs directly into the vehicle's OBDII port
• Automatically preserves the stored fault codes and programmed electronic settings
• 12 volt DC male-to-male cable for quickly charging the internal battery on the go
• Easy to read battery status LED indicators
• Lightweight and easily transportable

this unit works great.will get the job done,at half the price of the tool truck that stops at work.big thanks to amazon.

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I saw this exact same item at a shop that I get my tires, batteries, alignment, etc. done.

I had to get a new battery one day and one of the guys brought this out and plugged it into the OBD port to keep the electronic memory from losing everything while the battery was being swapped, I wrote down the info for this item and searched for it, forund it here and bought it, now I don't have to go to the shop for a battery swap, I can do it myself at home.

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Well built and easy to use. Works like a charm. Only reason I didn't give it the 5th star is that the owner can't replace the internal battery, which will mean some down time at some point in time have it serviced.

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If you ever need to change out your car battery and you need to keep all of the programs stored in your cars computer, then this is a must. I had the dealership change some of the factory settings on my truck to improve the performance, but the problem is, if you removed the car battery then you loose all of your upgraded settings. So when you plug this into the OBD II port, it allows current to stay in the computer and you don't loose your settings...

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If you change out a lot of batteries, you know what a pain it is to reset all the electronics on board these days. Especially if it's got to go through an emissions inspection also.

So this little memory saver does what it needs to do so conveniently and for so little cost. Amazon pulled through on the fast free shipping to boot!

Don't go disconnecting the battery terminals while the vehicle's running. That's a NO NO! I really like the LED charge status indicators. Very accurate. Get one of these, you'll be glad you did.