Rated 5 out of 5 stars.
The Topdiag P200 is a versatile automotive circuit tester, also known as a power probe.
It works on 9 to 30-volt systems, making it suitable for cars, trucks, motorcycles, and even boats.
It features a TFT color display that can show voltage, resistance, and even parameter curve diagrams.
You can test components, relays, and trace positive/negative circuits.
It comes with a generous 20-foot cable and an OBD adapter.
