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MSC09809 - Boss Headlight Adapter Harness 13-Pin for C4500/5500 '03 & Later - OEM
This is a Genuine BOSS OE MSC09809 Headlight Adapter Harness Kit 13 Pin
This Harness Kit Fits the GMC/Chevy C4500/5500 2003 thru 2010 Truck
This Harness Kit will work with the BOSS SL2 and SL3 Plow Lights