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Evo-All not programming

+2 votes
Have a 2004 silverado, will not go red after blue light turn off after key in run position. double check data wire, purple/yellow wire of evo to purple wire at obd2 pin 2. Connection is good other then to solder. Evo-All hardeware vr. 6, Firmware 4.18. Date is 11/2018. What else can I do?
asked Jan 4, 2019 in Chevrolet by Ccscorpion200 (150 points)

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