1975 Dash inop

[smoketaz]

Can anyone help me!!!! Have a 1975 F100 that the fuel and temp gauge is inop. I have replaced the volatage Reg on the the back. replaced the box under thw hood near the firewall D/S and the just got the turn signals and alt light to work on the dash today after 2 weeks of working on it. Any help would be great.

 

[bronc76]

Did you check for loose connections or to see if sending units are faulty? Blown fuses? Bad ground?