Question about 2003 Chevrolet Suburban 1500
It is quite possible that the battery connections , in particular the GROUND to the CHASSIS can be faulty / loose or poor contact.
You must clean BOTH the terminals and the main connection.
Now if there is a drain overnight check for leaks in the electrical system.
If the batttery is poor in the retaining of charge it is possible that the meter will keep going up and down as the battery charge is not settting it to stable state.
A check on the individual cells might shed some light if there is possible failure/weakness of one cells. If the battery is more than four years OLD then it is possible that the battery can be swapped to see if the fault condition changes.
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Posted on Nov 02, 2010
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Posted on Jan 02, 2017
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