WirthCo 21049 Battery Doctor Circuit and Spark Plug Tester
Special Features
- Instantly locates bad connections, faulty or broken wires and sockets
- High quality tester for 12 Volt - 24 Volt systems
- Light shines if battery or circuit is sound
- Light will not shine for short circuit or low battery
- Includes alligator ground clip, full 45 inch lead wire and cap
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