J & J Auto Wrecking. Closed Daily for Lunch 12:00pm – 1:00pm. Closed Saturday & Sunday. 6.7l Cummins Engine Wire Harness 5318178. Search for more parts from this donor vehicle. We maintain a 99-100% feedback score at all times and this comes from treating our customers the way we would like to be treated. We are here to serve you and are always more than happy to hear from you.