if i turn key ahead voltage gauge reads 14 plus when i go to start it it drops to under 7 and hardly turns over if i boost it turns over fine

Asked by Aug 11, 2014 at 02:09 PM about the 1992 GMC Sierra 1500 K1500 4WD Extended Cab LB

Question type: Maintenance & Repair

if i turn key ahead  voltage gauge reads 14 plus when i go to start it it drops to under 7 and hardly turns over if i boost it turns over fine

1 Answer

90,815

Sounds like a bad battery, good voltage but no load carrying capabilities.

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