[DeTomaso] Driver's side window motor

[Forest Goodhart]

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>
 To: DeTomaso Mail List <detomaso at server.detomasolist.com> 
Cc: Phone Richard Bosch <theemonkey at yahoo.com>; John Buckman <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 --------------
   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>
   To: DeTomaso Mail List <detomaso at server.detomasolist.com>
   Cc: Phone Richard Bosch <theemonkey at yahoo.com>; John Buckman
   <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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   list. They also grant the list owner permission to maintain an archive
   or approve the archiving of list messages.

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