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Last night I finished ohming out all of the connections to the Haltech. I found one error where a bunch of +12V switched signals from one of the main relays were supposed to be ganged together and I had missed one. After connecting that properly I plugged in the ECU and turned on the ignition. To my surprise, the fuel pump ran its 2.5s prime cycle. I didn't expect that because you can't load a tune into the ECU until it's powered up. Regardless, that was encouraging. I connected the laptop to the ECU and the gauge package came up with no issue. It automatically calibrated the DBW throttle, which seems to work very well. All the sensors gave plausible readings for temperature.
I have a few more things to check before I put the intake manifold back on and button it up but it looks promising. I like the Haltech tuning interface so far. Very flexible and intuitive.
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