Product Information:


  • Includes three adapters, three fuses (10A, 15A, 20A) and instructions
  • Kit works on all vehicles using standard 4 & 5 pin relays
  • Closes normally open contacts
  • Instantly determines which half of an output circuit is suspect
  • Stays secure in a relay socket so your free to diagnose
  • Eliminates damage to relay socket as a result of probing

Relay Shorting Plugs


Model # 420-221

Price:  $95.00

Your Manufacturing Solution, Since 1976

Proudly Made in the U.S.A.