Today, on this 2009 Pontiac Torrent, were going to review and install the upgraded, circuit-protected ModuLite with a four-pole harness, part #119179KIT. All right, this is a great wire harness to add to your vehicle when you need to pull a trailer. Whats nice about this wire harness is it actually does protect the vehicle from a short on a trailer if it ever occurs. Okay, now this wire harness… see more >