7645 Otc Battery Drain Tester Switch

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7645 Otc Battery Drain Tester Switch

Features and Benefits:

• • Finds electrical problems that drain the battery
  • Digital amp meter takes the guesswork out of a complicated job
  • Works on any vehicle with side or top post batteries

   Attach the test switch between the negative battery cable and the battery, and then road test the vehicle.

• Next, connect an amp meter to the switch to determine the parasitic amperage draw, and locate the excessive electrical drain on the battery.