Volvo VNL Engine Wiring Harness - Used Removed from a 2018 Volvo VNL truck, this engine wiring harness is a reliable option for those in need of a used unit. It has been visually inspected to ensure part quality. Have questions about our Volvo VNL engine wiring harness? Contact us anytime for more information. Enjoy prompt worldwide delivery. It is the customer's responsibility to determine compatibility before purchasing.