I am going to wire up trailer lights on my 2010 express, do i already have the wiring on the side to just hook into or do i need to purchase a wiring kit, on the old astros they left a lenth of wires for trailer hook ups so it was a easy thing to do in the jack area in the back, did chevy put the wiring package in the express for easy hook up like this?

 

If you have the factory provision in place it will be tucked into a driver's side frame opening at the very rear. Otherwise you need to buy a wiring adapter that plugs into the factory harness behind the rear lights.

 

thank you i will look at this