Innova 5420: What does the device do?

Purpose:

To discuss briefly the device usages of the Innova 5420 Power Check.

What does the device do?

The Innova 5420 Power Check is a powered circuit tester that attaches to a vehicle's battery or auxiliary power outlet. This device allows you to supply either 'Voltage' or 'Ground' to activate and test components in or around a vehicle. 

The Innova 5420 Power Check can also test switches, relays, fans, pumps, lighting, and more on passenger and heavy-duty vehicles.

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