General Technologies Corp GTC CT6100 Fuse Socket Connector Kit Ergonomically molded connector for easy insertion and extraction Easy access connector tabs fit are  inches quick connects, alligator clips jumper leads, multimeter test leads Plated contacts for maximum conductivity and durability Fits all Maxi, ATO and Mini automotive fuse sockets Tap power for cooling fans, electric fuel pump, power window, motors electric doors, lamps relays, wiring harnesses etc You can use the fuse socket connectors with a multi-meter to measure the voltage being supplied to a circuit Measure a circuit&#039;s power consumption with a clamp-meter by attaching a short &#039;pigtail&#039; wire (with a fuse) between the connector&#039;s tabs Power-up a circuit without powering the whole car by using a fuse socket adapter battery or power supply to that specific circuit. This is commonly done for post-accident ECU data recovery.