I have a 2003 Buick Century. Lately, the dash/instrument cluster lights have not been going on as they should. Sometimes however they will go on and are as bright as they would normally be. When the dash lights do not go on, usually the radio lights are very dimly lit. Since the lights are bright when they do come on I would not think its a bulb issue? Could this be a relay? Is this something that I could check/repair without having to take the car into a shop? Otherwise the car runs fine.Thanks,Scott
Country: United StatesMake: BuickModel: CenturyYear: 2003
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Locate and disconnect the IPC Dimming Module under the left side of the IPC mounted on the Heating, Ventilation and Air Conditioning (HVAC) module. Turn the headlights on. Verify battery voltage present on the Brown wire. Using a suitable jumper short the Green wire to the Brown/White wire. Verify the lights now work. If they do replace the IPC Dimming Module.
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After receiving your answer I looked at my Haynes repair book to get an idea on what the IPC Dimming Module looks like, but there is nothing in the book that references this part name.
I also went to Autozone to find out what the IPC Dimming Module was and how much it would cost to replace. They were also unable to find this part name in their computer?
Is there another part name?
I must have been lookign at the wrong wire diagram...At the headlamp switch when lights are dim jump yellow wire to grey wire to see if lights get bright, if so replace switch. Let me know if you run into questions, thanks.
Ok thanks - I'll give it a try this weekend.
Sounds good, keep me updated. Thanks and sorry about the confusion.
Thanks for the follow-up. Unfortunatley I've been traveling and haven't been able to work on the car. Hopefully this weekend I'll finally have some time. By the way, is it necessary to disable the air-bag system for this check/repair?
No, you dont need to disable airbags. Let me know how it goes or if you run into questions. Thanks.
ok - thanks, I'll let you know how it goes.
Sounds good, thanks.
Finally had the chance to work on the care last weekend. Replaced the headlight switch and that solved the problem. Thanks again for your help.
Happy to hear its fixed, sorry about the confusion at first. Thanks.