replace the burnt out lights in the heater a/c control unit?

2005 GMC SIERRA
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D.HIGGINSON
  • MEMBER
  • 1 POST
Is it possible to replace the burnt out lights in the heater a/c control unit?? I have removed this assy from the vehicle and taken it apart to find nothing i can replace,is this a whole unit you have to replace because of a burnt out lite?If the bulbs are available ,what is the part #.
May 11, 2010 at 6:32 PM
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SQM
  • CAR REPAIR CONTRIBUTOR
  • 6,383 POSTS
Hello,

The indicator light that is inside the switch is a non serviceable item according to GM. You will have to replace the unit.
That being said, it is possible to take apart that switch and access the bulb. It is small bulb that is soldered to the circuit board. Unfortunately GMC does not provide us with any part number for that bulb as they state it as non serviceable.

Please let me know of any questions.
Thank you.

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