Digital dash lights not working

Check the dimmer control on the headlight switch

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Replace the switch on the steering Colum it has gone bad not a big deal to change.

The fuel gage problem is either from a bad ground to the gage or the sending unit in the tank is bad. They will normally read a half tank or less when the car is full if the sending unit goes bad. I would put a scanner on the computer and check for any codes set.

Dam you need a EXORCISM!
No just a loose connection in the dash.
Sounds easy right!
IF you are lucky it may be the main plug not seated into the dash board. Or a bad ire in that connector.

The LS Lincoln Has 2 Fuel Pumps . The One On The Drivers Side Is Called A Transfer Pump , It Pumps Fuel From Drivers Side Of Tank To Passenger Side Both Pumps Have Sending Units On Them The Transfer Pump Sending Unit Was Bad

You have two pumps,I guess you know that ,if you already did one. Did you check fuel pressure at the rail and check out the electronic pressure regulator? What codes are coming up and do they stay set?

Checked Every fuse in the fuse box (no small task).This includes #4 - Power point Instrument Panel, #14 - Day time running lamps (auto lamps doesn't work nor does auto lock), #27 - ignition switch run feed, #35 - Instrument Cluster, #41 - Instrument Cluster, #42 - Delayed Accessory, #45 - Ignition switch run/start feed, #102 - Door locks body security module, #103 - Ignition switch, #110 - Ignition switch, & #116 - Ignition switch. But I also check all other ones as well, they all register OK. AC panel & radio work. Turn signals work. Mileage does not work, trip computer does. So, basically, everything works except auto head-lights, auto locks, and the dash cluster (no MPH, RPM, mileage display, Fuel, Temp, Tran Temp, and Oil Pressure).

we had our gauges go out and you need to replace the circuit board (the gauges are all one piece and eazy to change your self) new it runs about 300-400 you can find them at a junk yard for about 75.

Most factory stereos are wired to the dash dimmer switch. Usually if the dash lights go out after an after market stereo installation, it is because the wire that originally went to the factory stereo is not used for after market stereos. Double check the fuses and ensure the wire that controlled the lights on the factory stereo is not grounding out on something.