Original JDIAG BT-100 Battery Electrical System Circuit Tester General Description: JDIAG BT-100 is the best electrical tester for reducing diagnostic time in all 6- to 30-volt vehicle electrical systems. Hook BT100 up to the vehicle’s battery, you can: 1. Easy to confirm if a circuit is positive, negative, or open without having to reconnect clips…
Tags: battery electrical system circuit tester, Electric Circuit Tester