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2005 Alavanche can’t get the red led to come on during programming.

Trying to program evo all on 2005 Alavanche. Blue led turns off when key switched to run but red led never comes on. Latest firmware is flashed 70.38. Purple/yellow is connected connected to the purple wire in pin 2 on obd and there is data on that wire. Data wire was checked with a meter. Any suggestions?

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