1987 Chevy Suburban charging system

1987 CHEVROLET SUBURBAN
200,000 MILES • V8 • 2WD • AUTOMATIC
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DENNIS FULLER
  • MEMBER
  • 1 POST
my suburban has a voltage gauge. when i first crank it the voltage gauge reads aprox, 13.this drops to 8 on the second try. the second time i try to start it the battery don't have enough power to start the car. the battery has been replaced and the alternator quite a few times.still i have this problem. help?
Jul 30, 2010 at 7:16 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Load test the battery if it passes -Do a voltage drop test on the cables could also be a starter motor problem
Jul 30, 2010 at 7:22 PM
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