Short circuit detector.

[Auggie56]

2024 New Year Hot Sale Digital Car Circuit Scanner Diagnostic Tool(Free Shipping) - Buy 1

Catch Faulty Wires Without Stripping Down Everything! If you're looking for faulty car wires without this Digital Car Circuit Scanner Diagnostic Tool, then you're doing it wrong! This instrument is designed to identify and trace wires or cables without damaging the insulation. You can also use...

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[snakeoil24]

Auggie is this basically a telephone line tester?

 

[Beekeeper]

That’s a handy tester

 

[PrescottJeff]

Honestly I’ve had a tool similar to that for several years and only used it a few times. It all depends on what you are doing with it. I’m a drivability tech and do a lot of electrical work. Just not as useful as I thought it would be. I’m sure it will save somebody a lot of time but not me