Question about 1999 Cadillac DeVille

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Driver's seat won't heat eveer since they replaced the heated mirror and windshield. Passenger side works great. Could they have unplugged something?

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Yes, it is possible that a wire is damaged or unplugged to cause this error.

Also check for fuses and relays.

Posted on Jul 19, 2010

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Posted on Jan 02, 2017

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Heated / cooling seats...?


perhaps the connector is unplugged under the seat.

Apr 30, 2013 | 2006 Lincoln Zephyr

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The driver's side heated seat won't turn off on my 2003 Mecury Moutaineer. Also, how do I change my cabin filter?


Your vhicle build date is on a blue sticker on the driver door or door frame. If not there, check other doors.
The heated seat Module is under the seat. You can unplug the connector on it or the heated seat switch to shut it off. I supect the module is bad. get one used from car-parts.com. The cabin air filter is under the leaf screen at the base of the windshield. Remove wiper arms and leaf screen for access. Please rate, thanks. Principles of Operation - Heated Seats - Vehicles Built 03/2002 Onward
NOTE: Two heated seat modules are used, one for vehicles built up to 03/2002 and one for vehicles built 03/2002 onward. The modules are not interchangeable.
The driver and passenger heated seats share a common battery and ignition feed. A shared ground source supplies the heated seat control switches. When the heated seat control switch is pressed with the ignition switch in RUN or START, a momentary ground signal is sent to the heated seat module. The heated seat module then supplies power to the heating element circuit. The cushion element and seat backrest element are wired in series and powered by the same output. The heated seat module also will ground the separate indicator circuit at the dual automatic temperature control (DATC) module display panel to indicate an ON state. The heated seat module will remain on until the heated seat control switch is pressed and a momentary voltage signal is received, or until 10 minutes expire. If the ignition source is removed from the module, the heated seat module will enter an OFF state and will not return to ON until the switch is once again pressed with the ignition switch in RUN. The heated seat module is designed to heat the seat to 37.5?C (99.5?F) and maintain the temperature until time-out or switched off. This temperature is maintained by the heated seat module monitoring the temperature sensor located in the seat cushion element, and adjusting the current flow to the heating elements.
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May 22, 2011 | 2003 Mercury Mountaineer

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2003 Lincoln Navigator Heated Seat Problem


Can only Diagnose with a scanner and a trouble chart. It's all electronic

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2002 Mountaineer. How do you change the light bulb at the bottom of the driver side rear view mirror. Dan


SECTION 501-09: Rear View Mirrors 2002 Explorer/Mountaineer Workshop Manual REMOVAL AND INSTALLATION Exterior Mirror Glass Removal
NOTE: Exterior mirror glass is serviceable only on vehicles built after July of 2001.

NOTE: Passenger side exterior mirror shown, driver side exterior mirror similar.
All mirrors
  1. Position the glass in the full up position.
  1. Locate the notch at the bottom of the exterior mirror glass.
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  1. Release the exterior mirror glass.
    1. Insert a long flat-bladed screwdriver in the notch.
    1. Push the screwdriver into the notch until the glass is released.
Heated mirrors
  1. Position aside the exterior mirror glass.
  1. Disconnect the electrical connectors.
All mirrors
  1. Remove the exterior mirror glass (17K707) passenger side or (17T675) driver side.
Installation
Heated mirrors
  1. Connect the electrical connectors.
All mirrors
  1. Position the exterior mirror glass on the exterior mirror motor.
  1. Place a hand against the back of the exterior mirror housing and a hand flat against the exterior mirror glass. Press the glass in place until fully seated.

Dec 26, 2009 | 2002 Mercury Mountaineer

1 Answer

Mirror glass replacement on drivers side


i don't have aviator. here's explorer, should be the same.

You will see a small rectangle where the screwdriver goes in. You are pryingtowards glass. The retention is about a 3 inch rectangle that has a lip around it that snaps onto a rectangle on the mirror body.

SECTION 501-09: Rear View Mirrors 2002 Explorer/Mountaineer Workshop Manual
REMOVAL AND INSTALLATION Exterior Mirror Glass Removal
NOTE: Exterior mirror glass is serviceable only on vehicles built after July of 2001.
NOTE: Passenger side exterior mirror shown, driver side exterior mirror similar.
All mirrors
  1. Position the glass in the full up position.
  1. Locate the notch at the bottom of the exterior mirror glass.
  1. Release the exterior mirror glass.
    1. Insert a long flat-bladed screwdriver in the notch.
    1. Push the screwdriver into the notch until the glass is released. (and pull screwdriver towards glass)
Heated mirrors
  1. Position aside the exterior mirror glass.
  1. Disconnect the electrical connectors.
All mirrors
  1. Remove the exterior mirror glass (17K707) passenger side or (17T675) driver side.
Installation
Heated mirrors
  1. Connect the electrical connectors.
All mirrors
  1. Position the exterior mirror glass on the exterior mirror motor.
  1. Place a hand against the back of the exterior mirror housing and a hand flat against the exterior mirror glass. Press the glass in place until fully seated.

Apr 18, 2009 | 2003 Lincoln Aviator

2 Answers

Driver Heated Seat 03 Suburban


Identical thing here with my '03 Surburban LT.

Mar 07, 2009 | 2003 Chevrolet Silverado 2500HD

1 Answer

The heated seats don't heat, both driver and passenger side.


your heater element in the seat went bad,the dealer will have to do this because the seat has come apart the cover wether it is leather or cloth.

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1 Answer

Buick Lesabre Heated Seats not working


The problem is most likely caused by shorted heating grids in the seat cushion itself, kind of like the heating element in an electric blanket, very expensive to replace.

Dec 12, 2008 | 2003 Buick LeSabre

1 Answer

Driver Heated Seat 03 Suburban


The most likely failure point is the driver heated seat elements. They probably have excessive resistance and once they warm up a little they short out the module and it defaults to not working. I would recommend replacing both upper and lower driver seat elements.

Aug 12, 2008 | 2003 Chevrolet Suburban

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