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Electronic Specialties 190 Relay Buddy Tester

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Product Description

  • Quick off-the-car relay tester - checks relay coil and switch contacts
  • Automatic test with good/bad indication - fails bad relays
  • Settable to 4 and 5 pin relay - tests the 3 most popular automotive relays
  • Switch contact are loaded to detect excessive resistance
  • Uses vehicle's 12 Volt battery for power

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