1987 Ford F 150 "sending unit front tank" Questions

...sending unit. OR the sending unit itself inside the tank is faulty. Either way, when a gas guage goes to full all the time (empty or full), this indicates that NO ground is available for the sending ...

...replacing the sending unit in the tank,REcommend replacing the pump also since tank is out, the Fuel pump in the rear tank needs to be replaced, Replace the fuel filter after both tanks are ...

...sending unit. Check and clean them, both tanks. It gets confused and don't know what to do without a complete circuit. Hi, The only help I can state for certain is that it is an electrical problem, ...

...sending unit inside the gas tank. If you go under the truck and drop the tank you should find a hole on the top. tap the ring at the top of the tank till it spins off. now you can remove the sending ...

...fix this? The switch that you use to change tanks is probably faulty - the switch supplies power for the sending unit in the tank, and to the transfer switch for the gas lines - use a meter to check ...

...empty. I don't know whick tank I'm using. Any help would be appreciated. i don not think both sending units are bad, there is probly a broken wire between the front tank and the instrument cluster,

sending unit bad maybe? The fuel sending unit has 4 wires connected. Can you tell me which colored wires do what? Which wire would I test by disconnecting and grounding out to see if gauge reads empty

...sending unit 1988 ford f-150 gas gage stay on full.what colors are the wires from the tank to the gage in the dash cluster has duel i am working on front tank Yellow with White marking on the wire ...

...front tank shows empty all the time and the rear shows above full all the time iv been told it is the shuttle valve that switches the sending units and the tanks just need some reassurance yea fords ...

...one that dont work needs a complete sending unit pump asm, and as far as the other tank you will need to drop the tank and actually see whats going on and why it wont **** from the bottom of the