Answer
Mar 13, 2025 - 07:50 AM
The Power Probe 3 and Power Probe 4 are both diagnostic tools used for automotive electrical testing, but they have some differences. The Power Probe 4 offers more advanced features, such as a color LCD screen, a more comprehensive circuit testing capability with AC-RMS, frequency, and pulse width modulation (PWM) readings. Additionally, the Power Probe 4 includes a built-in diagnostic power supply and a more intuitive user interface compared to the Power Probe 3, which focuses on basic voltage, continuity, and ground testing.
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