Open circuit between the sending unit and the gauge. When the sending unit is in the full position there is maximum resistance (no current flow) to the gauge. An open circuit (no current flow) is telling the gauge the tank is full no matter the amount of fuel in the tank.
Last edited by Tiny; 08/19/2010 1:23 AM.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| 
