Mazda Tribute Trailer Wiring | etrailer Trailer Wiring Harness Installation - 2008 Mazda Tribute. Today on our 2008 Mazda Tribute, we will be installing the tow-ready T-One vehicle wiring harness with 4-pole flat trailer connector. It is part number 118551. In order to begin your installation, we will need to gain access to the rear tailgate. Mazda Tribute Trailer Wire Harness and Connector - Best Order Mazda Tribute Trailer Wire Harness and Connector online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.