My Pontiac Montana broke down on me

Tiny
KELCA
  • MEMBER
  • 2002 PONTIAC MONTANA
  • 135,000 MILES
My pontiac montana broke down on me.I have had the battery and alternator replaced an I now am having problems with the van after u drive it for just a short decentens it loses all power on dash and battery goes dead
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Tuesday, March 5th, 2013 AT 7:49 PM

1 Reply

Tiny
JDL
  • EXPERT
Even if the battery and alternator are new, if there is problem with wiring circuit for either one or both, then you still got problems. If you have a digital multimeter, we help you with some testing. Place meter leads across battery posts, everything off. The generic spec for a full charge is around 12.6 volts. Then start the vehicle, take another reading across battery posts, the second reading should be higher than the first, if charging system is working.
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Tuesday, March 5th, 2013 AT 9:16 PM

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