Relay Shorting Plugs
Model # 420-221
Price: $ 90.00
- 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
