WirePulser: A DIY Wire Locating Tool - element14 Community
Tone Generator Kit, Wire Tracer Circuit Tester, 200ep High Accuracy Cable Detector | Fruugo KR
Short circuit tracer/finder uses low power
em415Pro Automotive Electrical Power Probe Short/Open Circuit Finder Circuit Tester Tracer Cable Wire Breaker Tracker Circuit Fault Finder Car Open Short Wire Finder: Amazon.com: Tools & Home Improvement