2007 GMC Yukon Denali Q&A
2007 GMC Yukon Denali Question: Charging system
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The alternator may fail causing the battery to go dead. The charge light on the dash may or may not illuminate. The alternator may also develop an abnormal noise. A failed alternator will require...
battery still good, no check engine light
Get a reading saying battery not charging and also service drive control. Left key in truck while in church came out husband put his key in to open door alarm went off cut alarm off drove to friend...