Fuel gauge not responding
 

Hello to all I'm new here and this is my 1st post hope it makes sense. Recently removed instrument cluster on my 95 2.5L to replace some transmission indicator lights. When I got everything back in place - no fuel gauge reading, actually it reads FULL all the time and the reserve light came on once after 120 miles on a full tank. When I refilled the tank I had only used about 6 gals. I have reseated all connections three times and nothing has changed...

Any ideas ???

Thanks in advance