Saturn Vue Trailer Wiring | etrailer Trailer Wiring Harness Installation - 2009 Saturn Vue. Today on this 2009 Saturn View we'll be installing a Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector part number C56026. We'll glue the fastener at the bottom of the inner cargo pocket. Using a flat blade screwdriver go ahead and twist out the plastic cap nut. Saturn Vue Trailer Wiring Harness | Advance Auto Parts Advance Auto Parts has 1 different Trailer Wiring Harness for your vehicle, ready for shipping or in-store pick up. The best part is, our Saturn Vue Trailer Wiring Harness products start from as little as $28. When it comes to your Saturn Vue, you want parts and products from only trusted brands.