ISO Relay Testers

Set includes four jumpers to fit many popular relays on Honda, Nissan, Toyota, newer Ford & GM mini micro relays as well as International trucks. Set comes in blow-molded case for storage. Simply remove relay to be tested, insert correct jumper & insert relay into jumper. When using gray four pin jumper be careful to align pins on jumper & relay correctly. No need to pierce wires or connect multiple jumper wires. Jumpers have tabs for clamping & flat pads to place test leads on.