Tahoe 97' 6.5 changed to Suburban ECU but wont start

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Jonas17

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Sep 22, 2019
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Hi!

I changed to a Suburban 97 ECU on my Tahoe 97' but now it wont start. It cranks and fires for like half a second to a second then just keeps cranking. I've been googling and found out that its the start lock that kicks in. Do you guys have any tips on how to reset the start lock, or if thats not possible, how to completely just remove the start lock. Any helpers?
 
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