Car Cleaning Tools & Accessories

There are a wide variety of tools and products available for detailing. Walk into an auto parts store, and there are endless brands of waxes, sealers, polishes, finish restorers, glazes, cleaners, etc. What follows are suggestions of the tools you will need for serious detailing, and a rundown on the...

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How to Hand Wash your Car like a Professional

Many professional detailers will work from the inside out to allow time for the carpet to dry as they polish and wax the car. But we’re going to work from the outside in, on the surface most people care about—the paint surface. But in order to accurately evaluate the the...

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High-Side and Low-Side Drivers

Computers using low-side drivers may be able to monitor the circuit for proper operation. When the relay coil is not energized, the sense circuit should see a high (12 V) volt. When the relay is turned on, the voltage should go low (0 V)
Usually the computer will control an actuator by the use of low-side drivers. These drivers will complete the path to ground through an FET transistor to control the output device. Hie computer may monitor the voltage on this circuit to determine if the actuator operates when commanded. Monitoring of the...

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