by "Bob D." <bobb60@[EMAIL PROTECTED]
>
May 21, 2007 at 04:30 PM
YES, please send the diagnostics
Bob...
<putt@[EMAIL PROTECTED]
> wrote in message
news:16134-46503B99-542@[EMAIL PROTECTED]
> >Is there such a thing as a limit
>> microswitch or something on these
>> windows that I could have thrown out of
>> sync by pulling up on that window? Is it
>> more likely a defective motor that is
>> causing the problem?
>
> Each window motor is protected by a built-in circuit breaker. When the
> switch is held on too long with a window obstructed, the CB will Open
> the circuit and will reset automatically as it cools.
>
> The reversible motors are controlled by two normally-closed and grounded
> switches. SO.... there is a Hot circuit at each motor when the key is
> On or Acc position. The Up/Down sw is controlling the reversible
> grounds in the motor. Usually what goes wrong is a faulty switch.
> Corrosion/dirt causes a failure at the little brass contacts to make
> good contact. Cleaning the contacts is not an option, although I
> tried....to no avail. Replacement of the MSA(master sw assembly) or the
> individual sw is needed.
>
> If you are 'electrically inclined' I can email the diagnostic tree.
>
> Dave S(Texas)
>
