Today we are going to be installing a 4-pole, part number 118002, on a 2004 Chevrolet Impala. OK, we are inside the trunk area, and we want to go ahead and access the wires that we are going to be tapping into for our wiring harness. Those wires are actually located directly behind the tail light assemblies on both sides of the vehicle. In order to gain access to those wires, we are going to need… see more >