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tech364, ASE Certified Technician
Category: Chevy
Satisfied Customers: 268
Experience:  ASE master certification, auto advanced level engine performance 7 yrs experience
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2004 lly Duramax. fuel gauge show empty with low fuel light

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2004 lly Duramax. fuel gauge show empty with low fuel light on. Not a gauge cluster problem. Any solutions?
welcomeCustomerif you are sure it is not the guage you need to check the fuel level sensor(float) in the tank unplug the connector at the top of the fuel tank check the guage with a jumper ground the white wire and see if the guage goes to full if so the sender in the tank is bad
Customer: replied 7 years ago.
White wire to ground........I have a wire and the car is just a few feet from me. Give me 5 minutes.
ok let me know
Customer: replied 7 years ago.
OK, 2 wires, Black and Purple, no white.

sorry looking at the gas diagram it is the purple

tech364 and 2 other Chevy Specialists are ready to help you
Customer: replied 7 years ago.
Purple to ground, Fuel gauge to full!! Thank you
your welcome glad i could help