COOLING FAN
5.7L
5.7L (VIN R), Cooling Fan Wiring Diagram for Chevrolet C3500 HD 1998
List of elements for 5.7L (VIN R), Cooling Fan Wiring Diagram for Chevrolet C3500 HD 1998:
7.4L
7.4L (VIN J), Cooling Fan Wiring Diagram for Chevrolet C3500 HD 1998
List of elements for 7.4L (VIN J), Cooling Fan Wiring Diagram for Chevrolet C3500 HD 1998: