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Battery Cable

By David Sturtz, April 15, 2008

There are two very large cables that attach to the battery. The negative cable is normally black and connects to the chassis and/or engine block. The positive cable is normally red and connects to the starter, alternator, and/or fuse box.

Symptoms of a Bad or Failing Battery Cable

  • Starter will not turn or turns slowly
  • Cables and ends may look rotted or damaged
  • Loose or corroded terminals
  • Heat felt through the insulation of the cables when engine is cranking

Battery Cable Related Repair Advice

  • If you attempt to replace battery cables yourself, follow proper procedures. You should always disconnect the cables at the battery first.
  • All battery cable connections must be clean and tight

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