BATTERY WON'T STAY CHARGED

2001 Pontiac Bonneville

Tiny

lifescribe

October, 7, 2009 AT 10:36 AM

Electrical problem
2001 Pontiac Bonneville 6 cyl Two Wheel Drive Automatic 170, 00 miles

is it the alternator going bad when the battery will not hold a charge for very long?

FOUND 1487 RELATED QUESTIONS

1 Answer

Tiny

JDL

October, 7, 2009 AT 10:47 AM

Welcome to the forum, possibilities, faulty battery--faulty alternator-- faulty wiring circuits. Have the charging sysyem checked. Use a digitalvoltmeter take a reading across the battery posts, everything turned off. Take a second reading across the posts, engine running, the second reading should be higher than the first, if the alternator and circuits are good. 12.6 volts is considered a full charged battery, engine off, running, should be about a volt higher.

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