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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
  • Applications: Automotive, Heavy Duty, Marine, RV Equipment
  • Zippered carrying case included
  • Relay Buddy will check the control side of the relay by applying a signal to the relay coil while it checks for proper functioning of the relay contacts.
  • If any excessive resistance is detected the relay is failed
  • Test results are displayed as: Green Light if relay is good - Red Light if relay is bad

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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