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Rear window defroster

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Old Dec 1, 2002 | 03:01 AM
  #1  
91FIREBIRDGT's Avatar
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From: Riverside, CA
Car: 1991 Firebird
Engine: 3.1LV6
Transmission: 700R4
Rear window defroster

My rear window defroster doesn't work. everytime I push the button.....I hear a springy sound from somewhere in the dash. Could that be it? what could be causing it not to work?
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Old Dec 1, 2002 | 12:25 PM
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sounds like your hearing the relay.
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Old Dec 1, 2002 | 02:32 PM
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From: Melbourne Australia but from South Carolina
Car: 1991 Trans Am convertible
Engine: 305 TPI
Transmission: Auto
While on the subject of rear window defroster, can the wires on the defroster be repaired easily or not? I made the mistake of having tint applied to the rear hatch glass before fixing the small wires in the glass. If I had the tint removed and started over, would I have a chance of putting one of these aftermarket defroster wire grids installed. Are they any good at all or do the wires need to be embedded in the glass? And would I be able to add the tint back to the glass after the aftermarket system is installed.
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Old Dec 2, 2002 | 09:24 PM
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91FIREBIRDGT's Avatar
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From: Riverside, CA
Car: 1991 Firebird
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where is that relay located at?
I'm hearing the noises coming from behind the dash pouch.....is it there?
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Old Dec 3, 2002 | 10:31 PM
  #5  
91FIREBIRDGT's Avatar
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anyone?
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Old Dec 4, 2002 | 01:31 AM
  #6  
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rear window defroster

The spring noise your hearing is most certainly the relay / ballast which is located behind or just below the passenger pouch & plastic trim. It's relatively easy to get to. When you push the button, does the light in the switch come on ?
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Old Dec 5, 2002 | 08:21 AM
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Originally posted by yankeecarman
While on the subject of rear window defroster, can the wires on the defroster be repaired easily or not? I made the mistake of having tint applied to the rear hatch glass before fixing the small wires in the glass. If I had the tint removed and started over, would I have a chance of putting one of these aftermarket defroster wire grids installed. Are they any good at all or do the wires need to be embedded in the glass? And would I be able to add the tint back to the glass after the aftermarket system is installed.

The resistance elements are not embedded in the glass on most of the ThirdGens I've seen. Like most other cars, the foil is bonded to the inner surface of the glass, and can be repaired with a special kit that "paints" new metal onto the broken area.
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Old Dec 5, 2002 | 01:53 PM
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From: Melbourne Australia but from South Carolina
Car: 1991 Trans Am convertible
Engine: 305 TPI
Transmission: Auto
I have seen a kit that replaces the entire grid. All you do is order the length of grid that you need and it comes with a certain number of grid wires. Maybe it was JC Whitneys? Do you or anyone know if it is any good.? Thanks
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Old Dec 6, 2002 | 01:31 AM
  #9  
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From: Paris, Tx. USA
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Originally posted by yankeecarman
I have seen a kit that replaces the entire grid. All you do is order the length of grid that you need and it comes with a certain number of grid wires. Maybe it was JC Whitneys? Do you or anyone know if it is any good.? Thanks
With the PITA that can be, I'd just get another hatch from a Junk car. But repairing can be done, it just dont sound like a DIY kind of job. Talk to a tint guy, he will tell more specifically I'm sure.
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Old Dec 6, 2002 | 02:25 PM
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From: Melbourne Australia but from South Carolina
Car: 1991 Trans Am convertible
Engine: 305 TPI
Transmission: Auto
Very few of these type of cars here in Australia. We have to do our best.
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Old Dec 6, 2002 | 06:17 PM
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You can repair the grid with a kit, try JC or some place like that. Just be warned that tint may not stick to the repair area. I asked my local window tinter about this and thats what he told me. As long as the repair is not very long, you should be ok. T
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Old Dec 7, 2002 | 01:40 PM
  #12  
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From: Melbourne Australia but from South Carolina
Car: 1991 Trans Am convertible
Engine: 305 TPI
Transmission: Auto
Originally posted by 88aziroc
You can repair the grid with a kit, try JC or some place like that. Just be warned that tint may not stick to the repair area. I asked my local window tinter about this and thats what he told me. As long as the repair is not very long, you should be ok. T
Thanks, hadnt thought that the tint wouldnt stick.
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