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Home \ Tool Catalog \ Diagnostics \ Specialized Test Equipment \ Item: RB190

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Features & Benefits

  • Quick off-the-car relay tester - checks relay coil and loads switch contacts - relay is cycled 10 times
  • Ability to set 4/5 pin relay - automatic test with good/bad indication
  • Tests the three most popular relays and uses the vehicle's 12V battery for power
  • Relay is failed if excessive resistance is detected
  • Applications: automotive, heavy duty, marine, RV, and equipment

Return Policy *

  • Return for refund within: 30 days
  • Return for replacement within: 30 days

* Applies to purchases made on only; see your Matco distributor for warranty or return information on purchases made elsewhere.

RELAY BUDDY 4.3 5 3 3
SAVES TIME i made money the first time I used this tool. the only negative is the tool stopped working after one year of use. I have no problems buying another one. July 26, 2013
A great tool for troubleshooting The relay tester is great, saves me and my customers plenty of time by helping to simplify electrical troubleshooting. Love it February 7, 2013
THIS PRODUCT WORKS GREAT fast and easy way to test a 4 or 5 pin relay takes the quess work out March 13, 2012
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