[DML] Re: Electrical problem
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[DML] Re: Electrical problem



A quick glance at the wiring diagram indicates that the window 
motors are of the reversible variety. In order to drive the motor in 
one direction you put power on the first lead and ground on the 
second. In order to go the opposite direction you reverse this and 
put ground on the first lead and power on the second.

Putting power on both leads has no effect since there is no voltage 
across the motor (and therefore no current). If you put power on one 
lead and leave the second floating there is also nothing that 
happens since there is no ground return path.

  Knut



--- In dmcnews@xxxxxxxxxxxxxxx, "John Slupski" <slupa@...> wrote:
<snip>

> Our conclusion for this is that the power window motors do not 
have 
> a ground at them to complete the circuit even when we put power 
> directly to the motor.
> 
> The quandry is...where do the motors get their ground from and why 
> is that affecting the a/c illumination circuit?!?




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