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Title: Metra 72-4568 Speaker Harness for Select GM Vehicles
Review: Once you figure out whether to push or pull the release clip on the factory plug, these snap right in place, no fuss, no muss. Installed in '04 Colorado extended cab. All four connected with no issue. In front, they tucked away easily, in rear I zip-tied them to the door frame to avoid potential noise/vibration.
