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2005 Impala - Instrument panel and climate control lights do

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not work. First noticed when...
2005 Impala - Instrument panel and climate control lights do not work. First noticed when only one side of the climate control was lite, then both sides. Dimmer on the light control does not do anything. Fuses check and are ok. Help
Submitted: 9 years ago.Category: Chevy
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Answered in 20 minutes by:
10/19/2008
Chevy Mechanic: GM Master Tech 01, GM Master Technician replied 9 years ago
GM Master Tech 01
GM Master Tech 01, GM Master Technician
Category: Chevy
Satisfied Customers: 337
Experience: GM certified master technician 10 years experience
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The bulbs are not replacable as they are soldered in LED bulbs. The unit will need to be replaced or you could try radio shaq with the bulbs in hand
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Customer reply replied 9 years ago
Replacing the bulbs is not the question - obviously there is either an electrical issue or something wrong with the dimmer control. This has happened to both the instrument control and the climate control panels. I am not going to have both replaced. Is there someng control I can check? Is there a history of this? The radio display also dims when the lights are on.
Chevy Mechanic: GM Master Tech 01, GM Master Technician replied 9 years ago
Can you dim the radio display with the dash light dimmer?
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Customer reply replied 9 years ago
No - Dimmer on the light control does not do anything anymore.
Chevy Mechanic: GM Master Tech 01, GM Master Technician replied 9 years ago
Power for the lights in question come from that switch. Check for voltage at J on the dimmer switch .Also check for voltage on S , if you have voltage on S but not on J then the switch is bad .
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Customer reply replied 9 years ago
Do you have a diagram for that? Not sure which is S and whcih is J.
Chevy Mechanic: GM Master Tech 01, GM Master Technician replied 9 years ago

Sorry about that

graphic

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Customer reply replied 9 years ago
I will check and get back to you.
Chevy Mechanic: GM Master Tech 01, GM Master Technician replied 9 years ago
Thanks
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Customer reply replied 9 years ago
Trying to figure out how to remove that park of the dashboard - looks like Hayes and Chilton do not have a 2005 specific manual. Any publication out there that might help? Thanks again.
Chevy Mechanic: GM Master Tech 01, GM Master Technician replied 9 years ago
www.alldata.com is a great site I use it
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GM Master Tech 01
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