HARNESS ASSEMBLY

Disclosed is a harness assembly for a battery module of an electric vehicle, the battery module comprising first and second opposite end faces with a side located therebetween. The harness assembly comprises an electrically conductive track configured to be located along the side of the battery module; a temperature sensor electrically connected to the track; and a harness clip configured to fasten the track to the battery module and hold the temperature sensor in contact with an electrical cell of the battery module. Also disclosed is a harness comprising a primary track comprising a printed electrical conductor and configured to be located along the side of the battery module; and a branch track comprising a printed electrical conductor, electrically connected to the electrical conductor of the primary track and configured to be folded to locate it at least partially at a second side, different to the first side, of the battery module.