Dashboard lights will not come on

2002 GMC SIERRA
115,000 MILES
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OUTDOORSIERRA02
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All of the illuminated icons cruise, seatbelt, blinkers, gear selection all work but the backlight does not work I checked most of the bulbs and they were fine. I can't find a fuse that is blown that would be for this. I am not exactly sure where to start with the wiring. Any idea where to go with finding the problem please help
Dec 5, 2011 at 12:13 AM
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RIVERMIKERAT
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Instrument panel schematic in 2 parts attached.
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Dec 5, 2011 at 12:29 AM
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OUTDOORSIERRA02
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can you please send a more enhanced photo. could not read diagram
Dec 5, 2011 at 1:15 AM
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RIVERMIKERAT
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This is about the best I can do and still have it small enough to display properly.
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Dec 5, 2011 at 1:46 AM
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RIVERMIKERAT
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Download the images to your system. That way you can view them full-size. It looks like the system gad trouble with the second one, so I'm re-posting it.
Dec 5, 2011 at 1:48 AM
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RIVERMIKERAT
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Here.
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Dec 5, 2011 at 1:48 AM
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OUTDOORSIERRA02
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Even downloaded the image is unreadable. Can you please give me a suggestion on where to begin trouble shooting? Thank you for the answers so far.
Dec 5, 2011 at 2:01 AM
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RIVERMIKERAT
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Huh. Both version are more than readable on my little laptop. Pull the dash panel/instrument cluster out and make sure the connectors are firmly connected. Check the pins on both sides of the connectors. Look the connectors over to check for loose or missing wires. Check the cluster grounds.
Dec 5, 2011 at 2:22 AM