Rule 1: Read first to learn how the circuit works, then redraw to troubleshoot. Rule 2: When tracing a circuit, always work from the load to the battery, or from negative to positive. Rule 1: Read ...

Have you ever had a trailer’s electric brake or lighting systems not operate properly and weren’t sure where the problem originated? It could be the result of an electronic brake controller, ...

NARRATOR: That ice cream dispenser is out of control Frank! Let’s look at how it’s set up. We can see it’s a series circuit because everything is connected to one path. The power is coming from the ...

The driver’s come back from his daily peddle run a couple of hours early because of problems with the trailer’s liftgate. He says it’s operating very slowly, and at his last stop he barely got the ...