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  1. Duramax First Generation: 2001-2004 (LB7)
    No power to ficm truck was running really good up as died one day. Took to gm dealer they can’t figure it out no power to ficm. Sent ficm and ecm off to g7 computers they said both had software issues and fixed and sent back still no power to ficm. No power at all. Checked harness no blown...
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