The Jacket Water Heater Wiring Harness delivers electrical power and control signals to the jacket water heater to support controlled coolant heating before engine start. It enables reliable current flow between the power source and heating unit, ensuring the heater operates when required. By maintaining stable electrical connectivity, the harness supports consistent temperature rise in the coolant, which improves cold start performance and reduces startup strain and delays caused by low coolant temperature.Attributes:• Supports safe distribution of electrical input to heating components.• Helps maintain consistent electrical connectivity under vibration.• Enables reliable electrical communication within the heating circuit.Applications: The Jacket Water Heater Wiring Harness is located along the electrical routing path between the power source and the jacket water heater unit and provides electrical power and signal transmission required for coolant heating operation.