Fuel Gauge Indicates Empty When There Is Fuel In Tank (Single Tank)

Disconnect fuel gauge sender connector. Turn ignition on. If fuel gauge does not indicate empty, replace fuel gauge sender. If fuel gauge indicates empty, go to next step.
Turn ignition off. Disconnect IPC connector. Connect test light between IPC connector terminal No. 16 (Purple wire) and ground. If test light comes on, repair short to ground in Purple wire between IPC and fuel gauge sender. If test light does not come on, replace IPC.