Genuine GM 15304995 Tail Lamp Wiring Harness Junction Block, Rear Genuine Oem:Yes, Category 2:Rear Lamps, Item Name:Junction Block, Category 1:Electrical Brand:GM, Fitment Type:Direct Replacement, Part Ref# On Diagram:ONLY PART REFERENCE #5 ON THE DIAGRAM IS Manufacturer Part Number:15304995, Category 3:Combination Lamps, Quantity Needed:1