2000 GMC Sonoma Fuel Sensors, Relays & Connectors – CARiD GMC Sonoma 2000, Fuel Pump Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to meet or.. 2000 GMC SONOMA 4 V6 Fuel Pump / Circuit Opening Relay GMC > 2000 > SONOMA > 4 V6 > Electrical-Switch & Relay > Fuel Pump / Circuit Opening Relay. Price: Alternate: No parts for vehicles in selected markets. Economy . GMC Sonoma Questions - No power to fuel pump on 2001 gmc I replace the fuel pump on my gmc sonoma 2000 lsl model but there its not reciving power, i change the fuel pump relay but still not working 2000 GMC Sonoma SLS Ext Cab Short Bed 2WD Maintenance & Fuel Pump Fuse Location: Where Would My Fuel Pump Fuse Be ECM B fuse powers the fuel pump relay when the computer control of the relay coil energizes this is the time power will transfer to the fuel pump. Here is some diagrams (below) and guides to show you the location of the fuel pump fuse and to help you test the system and get it fixed.