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24 Volt Auto Electrical Wiring Test
- Humming sound indicates voltage being detected.
- Connect the clamp to a negative contactÂ
- Connect the tip of the tester to a positive contact.
- A red or green light on the tester will turn on and a humming sound will indicate that current is present.
- The light bulbs act as a diodes allowing current to flow in one direction only to avoid a back flow or shock.Â
- TMI560
$2.78
Original: $7.95
-65%24 Volt Auto Electrical Wiring Test—
$7.95
$2.78

Description
- Humming sound indicates voltage being detected.
- Connect the clamp to a negative contactÂ
- Connect the tip of the tester to a positive contact.
- A red or green light on the tester will turn on and a humming sound will indicate that current is present.
- The light bulbs act as a diodes allowing current to flow in one direction only to avoid a back flow or shock.Â
- TMI560
























