Trailer Wiring Harness Installation - 2005 GMC Safari Video

How to Install a Wiring Harness for a Trailer on a 2005 GMC Safari

Today we are going to install part number 18172 from Tow Ready. It is a 4-pole wiring harness. This is the part that gets hard-wired into the vehicle. And we are going to install this on a 2005 GMC Safari. To wire up this vehicle what we are going to have to do is get behind the tail light - get behind both tail lights. What is going to happen here on the passengers side here - we are going to… see more >