ITEM IS IN ORIGINAL BOX OR PACKAGING. PACKAGING OR BOX MAY SHOW SIGNS OF DAMAGE AND OR WETNESS. ITEM IS IN NEW CONDITION AND HAS NEVER BEEN USED. THIS IS NOT A RETURN. PLEASE REFER TO PICTURES IN LISTING! The DDE 23526101 serves as a harness that connects the engine’s electronic control unit (ECU) to the fuel injectors. Its primary function is to enable timing and control of fuel injection, which is crucial for optimal engine performance and fuel efficiency. This harness plays a role in transmitting signals to the injectors, ensuring efficient combustion and power generation within the engine.