Isolating problems in the control circuitIn Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic ...

Motor and Motor Control Troubleshooting Techniques Got a motor down? No matter how urgent the problem and motor failure can cause some very urgent problems always develop a plan of attack before you ...

How these elements go to work depends on how engine intake manifold vacuum is routed by the SelectAire control valve located in your climate control panel.