Parasitic loads - GM trucks & SUV's
I have a 2011 GMC Sierra 1500 that I bought new 3 1/2 years ago (now out of warranty). I’m beginning to believe the electrical system was designed by Lucas Electric, the Price of Darkness. (For those...
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Hawkeye if its a diesel and you do very short trips it doesnt recharge enough because of glow plugs. A little longer drive will cure that.
