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Chevrolet Express
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2015 Express 2500 heater control bulbs

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Old Aug 1, 2020 | 10:06 PM
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ExcelServices's Avatar
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Default 2015 Express 2500 heater control bulbs

Can anyone please tell me where to purchase the two light bulbs for the heat A/C controls. The dealership claims that they can not be replaced and wants to sell me an entire control unit. I found that they are just a quarter turn unscrew. I just can't seem to locate new ones.
Thanks!
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Old Aug 2, 2020 | 1:24 AM
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can you post a photo?
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Old Aug 2, 2020 | 6:13 AM
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Worst case, junkyard, 2003-up dash appears to have no changes.

I would bring a picture of mine in with me though, I did find that the 97-01 dash face is different from 2002 (radio opening changes) so it's possible there's minor differences.
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Old Aug 2, 2020 | 10:56 AM
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Originally Posted by mountainmanjoe
can you post a photo?


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Old Aug 2, 2020 | 11:20 AM
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I can't judge the scale from your photo very well, but they are the same shape as a standard #194 bulb.
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Old Oct 9, 2020 | 5:49 PM
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Did you have to pull the whole black part of dash off? As mountainmanjoe said #194 bulb. Used in a lot of things with special sockets.
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Old Oct 9, 2020 | 7:06 PM
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Originally Posted by mountainmanjoe
I can't judge the scale from your photo very well, but they are the same shape as a standard #194 bulb.
194 bulbs seem too big. I’ve replaced these in Ford vehicles and they look the same - they look like smaller versions of the 194. Some of mine went out and I was thinking of replacing them with LEDs but I haven’t torn it apart yet.
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Old Oct 9, 2020 | 7:39 PM
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Default Bulbs

Try search for this bulb. Pic looks close: "Dorman 639-026 HVAC Control Unit Bulb", the black base one looks like a PC74.
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