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Wanted GM 12498768 - OEM XM Satellite Radio Upgrade Kit


psualumni

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  • 2 years later...

I am doing this same upgrade again on another 2003 Silverado. Does anyone have a harness for sale? If you don't, do you know the GM part number for just the wiring since the kit is no longer available? I can source the XM box and / or wiring from a salvage yard as a last resort.

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