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Old 04-17-2010, 06:54 PM   #5
bundy26
 
Drives: 2010 1SS, BLK on BLK
Join Date: Mar 2010
Location: Dover, NJ
Posts: 18
If it was just one wire harness it wouldn't be necessary to cut, but you have to install the interface for the onstar and there is no room for everything, plus the installation instructions tell you to cut.
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