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Old 04-19-2017, 12:58 PM   #4
nancygrl
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Drives: '22 Z71 RST Silverado
Join Date: Feb 2011
Location: South
Posts: 3,415
when you first start off it will probably be where you'd expect it to be, around 14V give/take. after a few minutes if drops down and then only pops back up when needed....freaked me out the first time but after some searching found out that it's normal.
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