Duramax Fourth Generation: 2007.5-2010 (LMM)
2007 (new body style) Silverado 2500
6.6L LMM 329,000 miles
Original motor, original trans, EGR deleted 3 years ago, no programmer, factory tune.
A couple of weeks ago the batteries went out overnight. Truck would not start and batteries would not charge. I replaced the batteries and I have had...