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Alternator Tester Cigarette Lighter Adapter

 

Plug this tool into the cigarette lighter port to quickly test your vehicle’s charging system. The alternator tester features three LED indicators to show your alternator’s output. The car battery tester also features three LED indicators to indicate strength of your battery’s condition. Skip the mechanic and test your cars battery and alternator from the comfort of your own garage with this amazing car battery and alternator testing tool.

 

  • Three LED indicators show whether battery condition is strong, normal or weak
  • Three LED indicators show whether alternator output is too high, normal or too low
  • Works on any 12 volt system
  • Compact design for easy storage