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Weird dimmer switch problem...

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Old Jul 21, 2007 | 01:04 PM
  #1  
CbrasTsteLkChk's Avatar
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From: VA, USA
Car: '84 Camaro SC/ I-ROC Body Conversio
Engine: Rebuilt 350 5.7L, Edelbrock 750cfm
Transmission: Re-built 700-R4
Axle/Gears: Moser, 3.73
Weird dimmer switch problem...

When turned to the full brightness on the dimmer switch everything is fine, lights on and bright in gauges. When I back it off just a hair, everything goes black. When I back it off just a hair more... poof... lights all back on. From there on out, I can back off the brightness of the gauges and it'll get dimmer like it's supposed to. What's that all about?
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Old Jul 21, 2007 | 01:59 PM
  #2  
TIMMYS89GTA's Avatar
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From: ocklawaha FL.
Car: 81z-28,89gta,91z-28 03 1500
Engine: 355,L98vette tpi,327
Transmission: TH350/700R4/700r4/4l80E
Axle/Gears: 3;73/3;27/2;73/3;73
Re: Weird dimmer switch problem...

inside of the dimmer switch there are brass contacts that slide along the control ****.That is what makes the the lights dim or brighten.Sounds like to me,part of the contacts in your switch could have some corrosion.If it really bothers you,buy a new dimmer switch.
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Old Jul 21, 2007 | 02:09 PM
  #3  
CbrasTsteLkChk's Avatar
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From: VA, USA
Car: '84 Camaro SC/ I-ROC Body Conversio
Engine: Rebuilt 350 5.7L, Edelbrock 750cfm
Transmission: Re-built 700-R4
Axle/Gears: Moser, 3.73
Re: Weird dimmer switch problem...

Any idea how much a new one costs off the top of your head? And is it just a matter of popping the trim plate off and pulling the switch out?

It's really not that big of a deal though. I NEVER even adjust the gauge brightness. I've always thought the dimmer switch on any car was a useless invention.
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Old Jul 21, 2007 | 04:13 PM
  #4  
82 Iron Duke's Avatar
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Car: 04 Silverado
Engine: 4.8
Transmission: auto
Re: Weird dimmer switch problem...

Maybe $10-15, I had to remove the dash pad to get my switch out, it's not as easy as it would seem.
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Old Jul 21, 2007 | 09:27 PM
  #5  
CbrasTsteLkChk's Avatar
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Joined: Dec 2003
Posts: 230
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From: VA, USA
Car: '84 Camaro SC/ I-ROC Body Conversio
Engine: Rebuilt 350 5.7L, Edelbrock 750cfm
Transmission: Re-built 700-R4
Axle/Gears: Moser, 3.73
Re: Weird dimmer switch problem...

Eh, not that bad, but definitely more work than I expected. I have to replace the front speakers anyways, so this will be a good excuse to do it.

Anyways, after removing the trim plate AND dash pad, is it just a matter of pulling it out and popping a new one in? That's really all I want to know as I am be no means an electrical guy.
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Old Jul 21, 2007 | 10:52 PM
  #6  
82 Iron Duke's Avatar
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Car: 04 Silverado
Engine: 4.8
Transmission: auto
Re: Weird dimmer switch problem...

Actually it is a bit more complex than that. Remove the trim plate and unscrew the plastic piece holding in the switch. Now there is a metal button behind the switch that needs to be pressed before you can remove the pull ****. Once the **** is removed you can pull the switch home free from above and installation is reverse of removal.
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Old Jul 22, 2007 | 09:08 AM
  #7  
CbrasTsteLkChk's Avatar
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Joined: Dec 2003
Posts: 230
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From: VA, USA
Car: '84 Camaro SC/ I-ROC Body Conversio
Engine: Rebuilt 350 5.7L, Edelbrock 750cfm
Transmission: Re-built 700-R4
Axle/Gears: Moser, 3.73
Re: Weird dimmer switch problem...

Alright, thanks for the info.
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