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So its kind of a long story. I store my truck for the winter. Its a 2004.5 GMC Sierra. It has a Bully Dog GT programmer, a Airdog 165, an AFE intake and a 5in exhaust.This winter I decided to pull the batteries to keep them on a trickle chargers. Last month reinstalled the batteries and my truck...

I recently bought a 2004.5 sierra duramax that I use as a daily driver and have a few questions about efi live. I tried researching about it but there is so much information I dont even know where to start.I have a bully dog triple dog already( which Im removing) with a 4" turbo back silverline...