Chrysler Pacifica Trailer Wire Harness and Connector wwwzone››Chrysler Pacifica HarnessesOrder Chrysler Pacifica 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. Chrysler Pacifica Trailer Wiring | etrailer Best 2005 Chrysler Pacifica Trailer Wiring Options. Speaker 1: Toady on our 2005 Chrysler Pacifica we'll be having a look at our best trailer wiring options. To my right we have the Curt T-Connector vehicle wiring harness, part number C55530 and to my left we have the Tekonsha T-One vehicle wiring harness, part number 118303.