Hello. I have a 1995 F150 xl 4x4 short wheel base with single gas tank. When i fill tank to full my gauge stops at 3/4 mark, as I use gas it drops normal. I can fill it back up and it stops at 3/4. I put new tank and new sending unit in and it does same thing. I pulled the cluster out and there is no anti slosh circuit board. Any one have any idea?

 

First thing to do is to ground the sender wire at the tank and see what the gauge reads.

 

Ok, i took the new sending unit out and pluged harness back and grounded it. I moved the float to full and my gauge went to full , moved it back down and gauge went to empty. Im stumped. Should i bend the float rod?

 

Sounds like the pump is clicking off before the tank is full. There is a rubber hose inside the filler tube, check to make sure it's not kinked or split.

 

I wondered if it was not filling all the way , so i filled to were I could see the gas , and still showing 3/4

 

 

 

I checked part number on sending unit and it was correct float could only go on one way..after dropping tank 4 times. The last drop became I forgot the vent line. I don't know why but after adjusting the float rod it is perfect, I tried it empty and full and shows on the gauge perfect. Just don't understand why, but it worked.