Looking for a gm tech 2

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Tractionlesscolt

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I am getting mixed reviews of the China gm tech 2 and the authentic ones.
I want to be able to make adjustments to the ecu in my 03 tahoe and 03 denali and other things as well.
I am seeing that the knock offs can do this and I am seeing that they can not do this. Which brings me here!

Who better to ask then the community that knows about them.

If a knock off will do everything an original will do can you put up a link to one that works well?
If not is anyone selling a genuine tech 2 unit?
 

homesick

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There are used genuine units on ebay. They're still much more expensive than the copies.

joe
 
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Tractionlesscolt

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I just want to make sure my firmware it up to date on ecu and on my tcase control module. Nothing too serious. But you know the saying it's better to have it and not need it then to need it and not have it!
 

Doubeleive

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the one key difference I see between the clones-vs-original is the power module, on the clones the power module will not stay powered when the key is cycled in the ignition.
the work-around for this is easy and cheap, you just plug in a 12v dc power supply to a wall cord and you are golden no more worries about the clone tech2 power cycling during delicate procedures such as a evap test. the only time to be concerned about that small issue is when doing tests or procedures that require the tech2 to remain powered during a cycle of the ignition otherwise they work just like a real one and do all the same things.
 

swathdiver

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I just want to make sure my firmware it up to date on ecu and on my tcase control module. Nothing too serious. But you know the saying it's better to have it and not need it then to need it and not have it!

You can do that and probably would not even have to go online if you can get the TIS2000 software to work on your computer. When you say mixed reviews, do you mean a few lines down by saying some can program and some cannot?

the one key difference I see between the clones-vs-original is the power module, on the clones the power module will not stay powered when the key is cycled in the ignition.
the work-around for this is easy and cheap, you just plug in a 12v dc power supply to a wall cord and you are golden...

The same power supply used in the other Tech-2 machines is available on ebay for about $15 too. I'll probably pick one up soon just to have it for a rainy day or boredom.
 

Doubeleive

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You can do that and probably would not even have to go online if you can get the TIS2000 software to work on your computer. When you say mixed reviews, do you mean a few lines down by saying some can program and some cannot?



The same power supply used in the other Tech-2 machines is available on ebay for about $15 too. I'll probably pick one up soon just to have it for a rainy day or boredom.
let me know which one that is, I cant solder (delicate stuff) for the life of me but I could have someone else put it in.
 
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Tractionlesscolt

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That's exactly what I mean swath. I read reviews on certain ones and it says do not buy does not do this or that then a few comments down someone else says does everything the original does blah blah blah I just dont want to buy something that ends up being a piece of junk.

Doubelieve that's exactly what I needed to know.

Is there a recommended seller to buy from or a recommended website to use?
 

Doubeleive

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That's exactly what I mean swath. I read reviews on certain ones and it says do not buy does not do this or that then a few comments down someone else says does everything the original does blah blah blah I just dont want to buy something that ends up being a piece of junk.

Doubelieve that's exactly what I needed to know.

Is there a recommended seller to buy from or a recommended website to use?
I would just look on ebay and see who has a sold a number of them, I paid about $350 for mine with a usb key to unlock the software (no storage case), they charge about $50 extra for the case which I didn't find necessary. the guy I bought from only sells them occasionally.
 

swathdiver

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let me know which one that is...

https://www.ebay.com/itm/Mornsun-DI...Converter-isolated-single-output/132482004168

https://www.ebay.com/itm/Mornsun-VR...erter-isolated-single-output-DIP/222346824717

Probably the same people, same price and pics. I always do a fresh search right before purchase.



Is there a recommended seller to buy from or a recommended website to use?

One of the guys on here bought one from this link a few days ago:

http://www.chinacardiags.com/wholes...el-suzuki-isuzu-holden-with-full-package.html

@Big Mama bought one late last year and so did @shreksbrother among others.



I would just look on ebay and see who has a sold a number of them, I paid about $350 for mine with a usb key to unlock the software (no storage case), they charge about $50 extra for the case which I didn't find necessary. the guy I bought from only sells them occasionally.

This! ^^^^
 

swathdiver

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To unlock what software?

The Tech-2 comes with TIS2000 software. You need a key to unlock it. You can buy it or usually find it on the SAAB forums.

This software should have all of the latest files for your old GMT-800 trucks, no need to go online at TIS2WEB, probably. Never done it myself yet and I have to go online anyway for mine.
 

Doubeleive

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tis 2000, I have not installed it yet, I have a laptop I could put it on just haven't had the need yet, I think the key is to unlock tisweb so I can reprogram stuff up to 2007 without having to pay for it. this is what the thumb has on it

thumb.JPG
 
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Tractionlesscolt

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If I come across any problems do either of you mind if I pm you? You both seem to have alot of knowledge on this system and I'm sure I'm going to have questions.
 

Doubeleive

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i'm still a beginner but the learning curve isn't bad on these once you get the hang of it it's easy peasy, just ordered one of those power modules James well see how long it takes to get across the big pond.
 

Fless

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In post #12 of this thread, @swathdiver post two links. It's for the internal circuit board DC converter.

My Tech 2 came with an external DC cigar lighter adapter, battery clips, and an AC adapter, and I don't envision having to change out the internal converter any time soon. I'll just direct connect to a battery or plug it into an AC outlet.
 

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