User Manual Q&AAnswer
Feb 27, 2025 - 07:01 AM
To locate a short circuit using the Power Probe ECT3000, follow these steps:
1. Disconnect the blown fuse related to the circuit you suspect has a short.
2. Connect the transmitter's power lead to the vehicle's battery.
3. Connect the transmitter's signal lead to the shorted terminal of the fuse panel using the provided Blade Probe.
4. Turn on the receiver and place the "Open & Short Pick-Up" near and parallel to the wire harness until the "Direction to Short or Ground" indicator beeps rapidly.
5. Press the "Sense Lock/Sense Low" button on the receiver to lock the sensitivity.
6. Trace the circuit in the direction indicated by the receiver until you lose the signal.
7. If you encounter any obstacles, remove them or work through them while keeping the circuit you are tracing isolated.
8. Inspect the circuit and verify the short.
9. Isolate the short circuit by disconnecting it from other parallel circuits and reconnect the signal lead directly to the identified part of the shorted wire.
10. Continue to follow the signal until you lose it again.
11. Inspect the circuit and verify the short.
12. Repeat steps 9 to 11 until you find the cause of the short circuit.
13. Once you fix the short, reconnect all the sections of the circuit that were disconnected earlier.
Please refer to the Power Probe ECT3000 Electric Circuit Tracer User Manual for more detailed instructions and illustrations.
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