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Answering my own question.

I found this which seems to confirm they are the same.
https://download.efilive.com/Tutorials/PDF/Bench%20Harness%20Tutorial.pdf

I also contacted the ebay seller. ...

I have a Chineseium Tech2 and have used it on multiple vehicles over the years and it works great. I did have to replace the OBD cable. I think I picked it up on eBay. The case for it is also...

Not sure if this is the right subforum but ...

I have a 2000 Malibu with 3.1L V6 and would like to get a bench harness for the PCM.

I see several units available like this for the LS1 V8


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So, I tried again after disabling aftermarket remote start. I successfully was able to write twice but it took a few attempts of disconnect / reconnect battery, restart process. I have noticed that...

Update.

Fortunately, disconnect / reconnect of battery restored things to original state.

I tried again after disabling aftermarket remote start. I successfully was able to write twice but it...

Thanks for the reply.

Ignition remained on from time I initiated read through time I attempted to do the write. Not sure how long between, maybe 10 minutes by the time I saved the tune file and...

Hi All,

First time hptune user. 2000 Chevy Malibu. It did not go well although I think I dodged a bullet.

I disconnected aftermarket radio before starting. Completed a read, saved file. Made...

Oh man, I have a pit in my stomach.

First time hptune user. 2000 Chevy Malibu.

I disconnected aftermarket radio before starting. Completed a read, saved file. Made some mods, saved new tune...