6-12V Heavy Duty Circuit Tester

6-12V Heavy Duty Circuit Tester

Check on 6 and 12V systems.
1. Locate short, ground or open circuit.
2. Make it easy to find out where current is present.
3. The most essential for troubleshooting automotive electrical systems.
4. Checks series-parallel switch and solenoid on tractor-trailer start system.

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