Save time-test the component first. Current diagnostic routines dictate time consuming circuit testing and NEVER test the component. More and More of today's vehicles are using Pulse Width Modulated motors, actuators and solenoids. You can't simply test them by directly applying 12 volts. This can cause expensive misdiagnosis. PWM Power Pro is simple to connect and use. Save time, use the only tester capable of accurately driving both DC and PWM components on today's complex vehicles.
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