[DeTomaso] Driver's side window motor
Himes, Terry (397C)
terry.himes at jpl.nasa.gov
Wed Oct 12 15:38:46 EDT 2016
Ah. All mine are stock. And working…. <knock on wood> ;-)
"A Purple Heart proves you were smart enough to hatch a plan,
stupid enough to try it and lucky enough to survive!"
Terry W. Himes
JPL Jet Propulsion Laboratory
Dawn Spacecraft Team
Rosetta Sequence Team Lead
Phone: (818) 393-6261
Cell: (818) 653-8213
Fax: (818) 393-3147
thimes at jpl.nasa.gov<mailto:thimes at jpl.nasa.gov>
🇺🇸
From: DeTomaso <detomaso-bounces at server.detomasolist.com<mailto:detomaso-bounces at server.detomasolist.com>> on behalf of Mike Drew via DeTomaso <detomaso at server.detomasolist.com<mailto:detomaso at server.detomasolist.com>>
Reply-To: Mike Drew <MikeLDrew at aol.com<mailto:MikeLDrew at aol.com>>
Date: Wednesday, October 12, 2016 11:03 AM
To: Forest Goodhart <forestg at att.net<mailto:forestg at att.net>>
Cc: DeTomaso Mail List <detomaso at server.detomasolist.com<mailto:detomaso at server.detomasolist.com>>, Phone Richard Bosch <theemonkey at yahoo.com<mailto:theemonkey at yahoo.com>>, John Buckman <jb841 at cox.net<mailto:jb841 at cox.net>>, Garth Rodericks <garth_rodericks at yahoo.com<mailto:garth_rodericks at yahoo.com>>
Subject: Re: [DeTomaso] Driver's side window motor
Garth,
Do you still have the stock switches? Few stock switches are still working anymore--they have a finite lifespan. The stock replacements from Wilkinson are notorious for poor quality (I've held one that was broken in the package!). For years people have used Bosch replacements which look almost identical to stock. In fact so many cars have them that many people don't even realize they aren't stock!
So, what kind do you have?
Mike
Sent from my iPhone
On Oct 12, 2016, at 10:32, Forest Goodhart <forestg at att.net<mailto:forestg at att.net>> wrote:
Garth,
Do you see any movement of the ammeter when you operate the switch?
Window motors do not have any relays in the circuit but they have a
built in circuit breaker in the motor.
Start with a jumper directly from the battery to the motor and see what
happens. Power to one lead, ground to the other. Revers for operation
the other direction.
Forest
__________________________________________________________________
From: Garth Rodericks via DeTomaso <detomaso at server.detomasolist.com<mailto:detomaso at server.detomasolist.com>>
To: DeTomaso Mail List <detomaso at server.detomasolist.com<mailto:detomaso at server.detomasolist.com>>
Cc: Phone Richard Bosch <theemonkey at yahoo.com<mailto:theemonkey at yahoo.com>>; John Buckman
<jb841 at cox.net<mailto:jb841 at cox.net>>
Sent: Wednesday, October 12, 2016 10:01 AM
Subject: [DeTomaso] Driver's side window motor
Another electrical issue that developed on the way home from the
Niello
Concours last week...
My driver's side window motor no longer operates. I've never before
had a problem with the window motors. Driving home Sunday evening I
had
the window down a couple inches for some airflow in the cabin (since
the heater/AC blower fan was not working). I closed the window for a
few minutes then when I tried to re-open it the motor made a
momentary
noise like it was starting to lower the window, then stopped. After
that, nothing! No noise or movement either up or down.
I tried replacing the switch with a new Bosche switch, and no change.
I removed the door panel and verified it's not the dreaded window
gear
issue - the motor is not turning at all.
I've lowered the window manually with the emergency crank and still
no
movement, regardless of the window's position.
I checked voltage on the different posts with my multimeter and found
that one of the contacts was only getting about 3-4 volts when the
switch was put in the down position, and the other contact got 11-12
volts when the switch was put in the up position, but no movement in
either direction regardless.
The passenger side window works fine and the motor has the same 11-12
volts at either post depending on the switch position - up/down.
All fuses are good.
Any thoughts on where to look for the problem? Or suggestions on how
to further diagnose?
I cannot see any break in the wiring or a poor connection somewhere.
Again, could this be a relay issue? The stock wiring harness appears
untouched in this area behind the switch console and under the dash.
I have not yet tried running a jumper wire directly to the motor from
the switch. I suppose that should be my next step.
Again, open to any ideas. Can't really drive the car anywhere if I
can't close the windows and lock it up.
Cheers!
Garth
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-------------- next part --------------
Ah. All mine are stock. And working.... <knock on wood> ;-)
"A Purple Heart proves you were smart enough to hatch a plan,
stupid enough to try it and lucky enough to survive!"
Terry W. Himes
JPL Jet Propulsion Laboratory
Dawn Spacecraft Team
Rosetta Sequence Team Lead
Phone: (818) 393-6261
Cell: (818) 653-8213
Fax: (818) 393-3147
[1]thimes at jpl.nasa.gov
From: DeTomaso <[2]detomaso-bounces at server.detomasolist.com> on behalf
of Mike Drew via DeTomaso <[3]detomaso at server.detomasolist.com>
Reply-To: Mike Drew <[4]MikeLDrew at aol.com>
Date: Wednesday, October 12, 2016 11:03 AM
To: Forest Goodhart <[5]forestg at att.net>
Cc: DeTomaso Mail List <[6]detomaso at server.detomasolist.com>, Phone
Richard Bosch <[7]theemonkey at yahoo.com>, John Buckman
<[8]jb841 at cox.net>, Garth Rodericks <[9]garth_rodericks at yahoo.com>
Subject: Re: [DeTomaso] Driver's side window motor
Garth,
Do you still have the stock switches? Few stock switches are still
working anymore--they have a finite lifespan. The stock replacements
from Wilkinson are notorious for poor quality (I've held one that was
broken in the package!). For years people have used Bosch replacements
which look almost identical to stock. In fact so many cars have them
that many people don't even realize they aren't stock!
So, what kind do you have?
Mike
Sent from my iPhone
On Oct 12, 2016, at 10:32, Forest Goodhart <[10]forestg at att.net> wrote:
Garth,
Do you see any movement of the ammeter when you operate the switch?
Window motors do not have any relays in the circuit but they have a
built in circuit breaker in the motor.
Start with a jumper directly from the battery to the motor and see
what
happens. Power to one lead, ground to the other. Revers for
operation
the other direction.
Forest
__________________________________________________________________
From: Garth Rodericks via DeTomaso
<[11]detomaso at server.detomasolist.com>
To: DeTomaso Mail List <[12]detomaso at server.detomasolist.com>
Cc: Phone Richard Bosch <[13]theemonkey at yahoo.com>; John Buckman
<[14]jb841 at cox.net>
Sent: Wednesday, October 12, 2016 10:01 AM
Subject: [DeTomaso] Driver's side window motor
Another electrical issue that developed on the way home from the
Niello
Concours last week...
My driver's side window motor no longer operates. I've never
before
had a problem with the window motors. Driving home Sunday evening
I
had
the window down a couple inches for some airflow in the cabin
(since
the heater/AC blower fan was not working). I closed the window
for a
few minutes then when I tried to re-open it the motor made a
momentary
noise like it was starting to lower the window, then
stopped. After
that, nothing! No noise or movement either up or down.
I tried replacing the switch with a new Bosche switch, and no
change.
I removed the door panel and verified it's not the dreaded window
gear
issue - the motor is not turning at all.
I've lowered the window manually with the emergency crank and
still
no
movement, regardless of the window's position.
I checked voltage on the different posts with my multimeter and
found
that one of the contacts was only getting about 3-4 volts when the
switch was put in the down position, and the other contact got
11-12
volts when the switch was put in the up position, but no movement
in
either direction regardless.
The passenger side window works fine and the motor has the same
11-12
volts at either post depending on the switch position - up/down.
All fuses are good.
Any thoughts on where to look for the problem? Or suggestions on
how
to further diagnose?
I cannot see any break in the wiring or a poor connection
somewhere.
Again, could this be a relay issue? The stock wiring harness
appears
untouched in this area behind the switch console and under the
dash.
I have not yet tried running a jumper wire directly to the motor
from
the switch. I suppose that should be my next step.
Again, open to any ideas. Can't really drive the car anywhere if I
can't close the windows and lock it up.
Cheers!
Garth
_______________________________________________
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