Starter or Alternator out?

Tiny
LORRIY
  • 2002 CHEVROLET AVALANCHE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 140,000 MILES

2002 Chevy Avalanche - yesterday while driving the red battery indicator started flashing; today while driving ALL gauges dropped to zero, 5 minutes prior - the truck started just fine. Now when I try to start it - it ticks with no drained battery sound. The battery and cables have been replaced within the year. Is it maybe my starter or alternator? And if so, how do I know which one?

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Tuesday, March 1st, 2011 AT 9:09 PM

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Tiny
SATURNTECH9
  • EXPERT
  • 30,625 POSTS

You will have to your battery charged and tested then start the engine up let it idle and take a multimeter and see what the voltage reading at the battery is at idle. That is your starting point also make sure the battery cable's are clean and tight.

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Tuesday, March 1st, 2011 AT 9:30 PM

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