07-13 Silverado/Sierra Radar Detector Harness

This harness is for those wanting to add a radar detector to their 2007-2014 Silverado or Sierra and are using the phone cord style connector.   This harness will plug inline at the inside rear-view mirror.  You must have an auto-dimming inside mirror for this to work.  If unsure, please email us your VIN# and we will check for you. 

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