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Tom, the motor either seems to loose the brushes
Posted by Lu (more from Lu) on Thu, 22 Aug 2002 20:11:14
In Reply to: Re: A/C blower?, Quasi, Thu, 22 Aug 2002 15:39:00
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and goes intermittent as yours or the bearings go dry and start screeching and singing at the oddest times. Either way it can fry the controller if it goes too long. Heavy draw on the transistor and connectors. The controller gives ground for the motor as variable resistance to ground controlled by the small signal wire coming from the ACC. This goes to the base and motor and grd wires (heavier) go to the collector and emitter (little arrowhead leg on a transistor symbol). Quasi's site is a great set of guides to help. G'Luck
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