IIT 16687 7 Blade & 4 Pin Tester,;
IIT 16687 7 Blade & 4 Pin Tester,

IIT 7 blade & 4 pin tester checks if the 12V power from the tow vehicle is reaching the trailer's tow plug.

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IIT 7 blade & 4 pin tester checks if the 12V power from the tow vehicle is reaching the trailer's tow plug.

  • Easy to use
  • Has a typical lifetime of 10+ years
  • Checks if the vehicle's tow circuit is properly configured
  • Easy to use
  • Has a typical lifetime of 10+ years
  • Checks if the vehicle's tow circuit is properly configured

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