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Did I read something about Bosch o2 sensors! Get those things outta there. They don't play nice with Chevy trucks!
It wants to run ok tonight. Here is a video of the vacuum guage on manifold vacuum.
Like this:
Yep, that's correct. The module gets power from the USB connection, so you just need ground and TX/RX to the ALDL port.
They are loaded into TunerPRoRT so it knows how to read the data coming from the ECM.
I should have known that! Will the free version of the software work for just the data logging/viewing I need to do?
Yep, the free version works great for data logging and diagnostics views.