THE BATTERY IS FULLY CHARGED AND IT WONT START ...

  • Tiny
  • Anonymous
  • 1993 Plymouth Acclaim
  • 85,000 miles

The battery is fully charged and it wont start, try to start it and there is absolutely nothing, no dashlights, no headlights, no noises. It is completely dead.

Friday, November 2nd, 2012 AT 7:27 PM

1 Answer

  • Tiny
  • caradiodoc
  • Expert
  • 25,257 posts

Measure the battery voltage first. It must be 12.6 volts. Turn on the head lights to insure some current is trying to flow, then use a test light to test for voltage on the battery cable clamps, not the battery posts they're attached to. Move the probes down the cables to the next accessible points where you can measure. Look for where the smaller black, negative wire bolts to the body, and see if there's a smaller red positive wire bolted to the under-hood fuse box. Be sure all those connections are clean and tight. You're looking for the first place you don't get the same voltage. That will be the point of the bad connection.

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Saturday, November 3rd, 2012 AT 4:04 AM

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