Yukon/Denali 4WD V8-5.3L VIN Z Flex Fuel (2005)
3. Connect the fuel level sensor electrical connector.
IMPORTANT: To prevent damage to the level sensor wiring, unclip the fuel return tube from the fuel sender and route the level sensor wiring
behind the fuel return tube. Clip the fuel return tube back into the fuel sender retaining tabs.
4. Install the sending unit.