window motor test

["Robert Hanekamp" <bobsmopar@xxxxxxxxxxxxxx>]

Hi Pete.
Thanks for the info on the test of the window motors.
I will try that and use my battery I was going to use my charger and turn it
down as low as it goes but I think I will just use the battery.
Thank you.
Bob
----- Original Message -----
From: "Peter Engel" <vze2dp8c@xxxxxxxxxxx>
To: "IML Server" <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Wednesday, April 03, 2002 9:05 PM
Subject: Re: IML: window motor test


> Bob,
>
> The two wires (green and purple IIRC) are neither power nor ground.
> Each is BOTH power and ground.  But not at the same time ; -)
>
> For UP, the green is +12 and the purple is ground.  For DOWN the green
> is ground and the purple is +12.  Or do I have that backwards?
>
> Actually, it doesn't matter.  Just DO NOT hookup a ground wire to the
> motor case!
>
> I wouldn't use a battery charger to test the motors.  It might work, but
> battery chargers put out really "dirty" DC voltage.  Meaning that the AC
> voltage is chopped down and rectified but, if you look at battery
> charger output in an oscilloscope, you'll see that it isn't steady DC
> voltage.
>
> Use jumper wires and your car battery to test, but be sure to make all
> final connections at the motor.  Sparks at the battery can cause a big
> boom.
>
> Pete in PA
>
> From: "Robert Hanekamp" <bobsmopar@xxxxxxxxxxxxxx>
> I am restoring my 68 Imperial crown convertible and I have all the
> windows motors out and I want to test some off the extra ones that I
> have and I want to lube the ones that are out.
> There is two wires that come out off the motor is one of these a ground
> and
> can I use a battery charger for power .
>
>
>
>