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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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2005 Impala - Instrument panel and climate control lights do

Customer Question

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: 5 years ago via CarComplaints.com.
Category: Chevy
Expert:  GM Master Tech 01 replied 5 years ago.
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
Customer: replied 5 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.
Expert:  GM Master Tech 01 replied 5 years ago.
Can you dim the radio display with the dash light dimmer?
Customer: replied 5 years ago.
No - Dimmer on the light control does not do anything anymore.
Expert:  GM Master Tech 01 replied 5 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 .
Customer: replied 5 years ago.
Do you have a diagram for that? Not sure which is S and whcih is J.
Expert:  GM Master Tech 01 replied 5 years ago.

Sorry about that

graphic

Customer: replied 5 years ago.
I will check and get back to you.
Expert:  GM Master Tech 01 replied 5 years ago.
Thanks
Customer: replied 5 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.
Expert:  GM Master Tech 01 replied 5 years ago.
www.alldata.com is a great site I use it

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