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97chevyastro rear window electric defrost is not working

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Using a multimeter, check the two connections on the rear defroster for power. If power is present, check the thin lines which stretch from side to side on the rear screen for continuity. It is quite common for those who carry pets such as dogs in the back for the pets to scratch these elements and break them. If minor damage is present in the form of scratches, then there is special conductive paint available which can be used to fill in minor breaks.


http://knoji.com/images/user/defroster-grid-kit.jpg



If no power is present, then check the fuse.


If power isn't present, but the fuse is intact, then check power and operation of the switch.

Posted on Nov 04, 2012

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cooper0365
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SOURCE: 2005 impala. Rear window defroster is not working

they have a fuse and a rely make sure the wire end is on the conector on the window

Posted on Oct 02, 2009

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Which relay/fuse controls the power windows?


Visual Inspection Chart Mechanical Electrical
  • Door window regulator and motor
  • Door glass top run
  • Door window glass
  • Loose, corroded connectors
  • Circuitry
  • Window control switch
  • Battery junction box (BJB) fuse(s):
    • 1 (60A)
    • 3 (60A)
    • 11 (50A)
  • Smart junction box (SJB) fuse(s):
    • 7 (20A)
    • 27 (10A)
    • 30 (10A)
  • SJB circuit breaker 10 (30A)
  • SJB rear window defrost relay 1
  • Relay center box 1 rear window defrost relay 2
  • Delayed accessory relay
  • Battery saver relay
  • Rear window defrost grid

Apr 23, 2016 | 2005 Ford Taurus

Tip

VAG COM Fault Codes


ERROR CODE (DECIMAL) - CODE ERROR - ERROR CODE (OBD II) -The description ERRORS
00000 0000 O End
00001 0001 braking system control unit
00002 0002 gearbox control unit
00003 0003 control unit
00004 0004 control unit for engine gas-J659
00016 0010 Vers. electric space heater, rear right damper leg / defroster-V195
00017 0011 Vers. electric space heater, rear left footwell flap / defroster-V196
00018 0012 Executive electric cold air flap-V197
00019 0013 Executive damper motor warm air-V198
00020 0014 Executive electric Right flap and defroster vent-V199
00021 0015 Executive electric left flap and defroster vent-V200
00022 0016 Executive electric right hot air flap at the rear of the center console-V201
00023 0017 Executive electric left hot air flap at the rear of the center console-V202
00024 0018 Executive electric right cold air flap at the rear of the center console-V203
00025 0019 Executive electric left cold air flap at the rear of the center console-V204
00026 Executive 001A motor Right flap and defroster vent-V205
00027 Executive 001B motor left flap and defroster vent-V206
00028 001C Executive electric left bezel-V207
00029 001D Executive electric central bezel-V208
00030 Executive 001E motor right bezel-V209
00031 001F defrost key left rear glass-E299
00032 0020 defrost button the right rear window-E300
00033 0021 Control button front left deflector-E301
00034 0022 Control button front left center vent-E302
00035 0023 Control button front right center vent-E303
00036 0024 Control button right front baffle-E304
00037 0025 Key for adjustment of the temperature difference between the space for the legs and the upper part of the cabin-E305
00038 0026 Control button left rear deflector in the center console-E306
00039 0027 Control button right rear deflector in the center console-E307
00040 0028 lock button door opener inside-E318
00041 0029 Executive damper motor uniform air flow-V213
00042 Lamp 002A left hand fire-M43
00043 002B lamp right hand fire-M44
00044 002C Perform test 1 group of actuators
00045 002D Check Now 2 groups of actuators
00046 002E Electric retractable washer jets left headlight-V248
00047 002F motor sliding washer jets right headlight-V249
00048 0030 heat exchanger temperature sensor, left-G306
00049 0031 heat exchanger temperature sensor, right-G307
00050 0032 temperature sensor-G308 Evaporator

Full list of fault codes here
Car Manuals PDF

on Dec 20, 2016 | Cars & Trucks

1 Answer

Back defrost not working


There are two Electrical cables that are attached to the back window, if they are not connected, the rear defrost will not work. If those cables have a flat metal piece on the end, simple take some super glue and glue them on the rear window at the locations that will be marked with another flat piece of metal. once glue has set turn on defrost and test.

Mar 27, 2014 | Chevrolet Blazer Cars & Trucks

1 Answer

My 1995 toyota corolla rear defroster not working, also defroster light does not come, on i checked fuse under dash is good. Any other checks i can do.Also is there a away to get electrical diagram for...


i would imagine the fuse for it would be inside the car under the dash on drivers side. but also if you look at the rear window you should see the rear defrost wires soldered to the window sometimes one will break off and it might just need to be resoldered

Apr 27, 2011 | 1996 Toyota Corolla

1 Answer

I have a 2003 Alero, replaced relay switch and fuse under the bonet for the rear defrost, all wires hooked up...no lines broke.. rear defrost button lights up , but rear defrost dont work. Are there any...


There is a connector going to rear defrost on the rear window. Disconnect this and check for voltage with defrost on. If this is good, check resistance for the connection to window. This will tell you if the electrical is working or the element is bad for the window if there is a open reading on multimeter.

Dec 03, 2010 | 2003 Oldsmobile Alero

4 Answers

Rear window defroster does not work - light says it is on


I have had this same problem with my 2000 Sebring Convertible. I was told that the rear defrost is often a problem in convertibles and hatch-backs. My problem is very obvious though. When I turn the rear defrost on - the light does turn on (as if it was working), but the power does not get through. There are small 'clips' on each side of the window that hold the wires. After time and putting the top up and down, the clips can come off. My passenger side clip is currently hanging - very visible. Many mechanics are afraid to fuss with putting it back on for fear that they cause more damage than good. Look on the sides of the rear window and you may see the problem. Good luck.

Dec 10, 2009 | 2000 Chrysler Sebring

2 Answers

Back defrost don't work on 97 buick park avenue


Regarding the repair of the rear window defroster. There is a "electric ACD module" on the inside rear driver side roof sail that connects to the rear defroster and antenna. I had the same problem and found the connector for the defroster had overheated and melted resulting in a failed connection. The NAPA part numbers for the module and replacement connector are 25623688 and 15305949.


Oct 07, 2009 | 1997 Buick Park Avenue

1 Answer

If the top line of rear window is the antenna,it doesn't defrost?


Yes some of the lines are an electrical circuit for the rear window de froster as far as i know

Feb 12, 2009 | 2004 Hyundai Elantra

2 Answers

Rear defrost does not work


one little wire on each side of window sometimes they are loose or get unplugged check there and if not fuses if not relay in fuse box lid of that shows with and where it and they are good luck

Dec 23, 2008 | 2003 Chevrolet Impala

1 Answer

Need to replace the ETACS unit


ETACS
(Electronic Time and Alarm Control System)

as far as the rear defroster, it may be the switch, relay, or fuse.

i have all of the service info on mediafire.com , just click this LINK and download whatever you need. i would suggest these 2 sections for fixing your problem:
97-99Electrical.pdf
2gTech_Info_Man.pdf

Dec 21, 2008 | 1997 Mitsubishi Eclipse

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