2000 Chevy Blazer 2 Door Pump Control Fuse Box Diagram 2000 Chevy Blazer 2 Door Pump Control Fuse Box Map Fuse Panel Layout Diagram Parts: ignition positive voltage, 4WD engaged signal, CPP seitch signal, cruise engage input, fuel pump relay control, vehicle speed output, brake switch putput, serial data, ignition positive voltage, EGR valve control.