Fits left or right side. Rebuilt with new gears, $75 core refund if you return the old track core, this is the 88-96 style with the flat pin plug but for the 84-87 you just splice your plug into this harness. Please check out my other auctions. I am parting 84-96 Corvettes. Please message me for any other parts needs and I will list an auction for you, THANKS