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as the title says, I installed the Haltech plug and play ECU, and wired in the MAP/IAT/widebands/e85 content sensor/boost solenoids to the ECU. I also installed injectors so the plenum came off. I checked the 3 grounds at the rear of the plenum and confirmed they are attached. Haltech has a blue light that should be lit when ignition is on, however I have nothing(hence the reason why it's not communicating with the laptop). Things I have checked.... - All fuses- GOOD - Car DOES crank - All interior lights/gauges/stereo work Back probed the following at the ECU: - ECU power supply pin 59 w/IGN ON- GOOD - Injector power supply pin 109 w/IGN ON- GOOD - Ignition signal Pin 45 w/IGN on- GOOD anyone have any ideas? I hear the laptop make a noise when I plug the cable into the ecu, so i know the connection to the laptop is fine, The ECU just isn't turning on for some reason.
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