ATTA Freedom Fill Руководство по устранению неполадок - Страница 4
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Также для ATTA Freedom Fill: Инструкция по установке (10 страниц)
Печатать страницу3. Make sure the white wire from the Freedom Fill Switch is to the (+) "Positive" side of the
pump. Make sure the black wire is to the (-) "Negative" Side of the Pump.
4. Make sure no hoses have a sharp bend or kink in the line.
5. Remove the sending unit from the auxiliary tank. Remove the Diesel Fuel Strainer from
the pick-up tube. With a vacuum gauge (which can be purchased from any automotive
supply chain), check to ensure the auxiliary tank sending unit can hold a vacuum. If it
cannot hold a vacuum, replace the auxiliary tank sending unit.
Auxiliary Fuel Gauge is Reading Past Empty
1. Check all connections from auxiliary tank to the auxiliary fuel gauge.
2. Check all Chassis grounds are good
3. Make sure the yellow wire is to the center post of the auxiliary tank sending unit and it is
not touching ground.
4. Remove the auxiliary tank sending unit. Using a Voltmeter, turn dial to OHMS. The
Auxiliary tank sending unit should read approx (+/- 5%) 240 ohms at empty – 33 ohms at
full.
A. If the auxiliary tank sending unit is good—replace the auxiliary fuel gauge
B. If the auxiliary tank sending unit is bad—replace the resistor float of the sending unit.
Note: When checking Ohm value, move the float arm up and down slowly. If there are dead spots
in the resistor card, the sending unit need to be replaced.
Note: This could be caused by the sloshing of fuel inside the factory fuel tank. There is not a way
to control fuel sloshing in the Factory Fuel Tank. If you feel that is not the problem, please
1. Check all connections & grounds
2. Check to ensure you have a good 12 Volt IGNITION power source
3. Check that none of the pins in the Freedom Fill Computer Harness has been pushed out
of place
4. Make sure you have the proper computer module for your truck. If you are not sure,
please call us at
5. If all previous steps check OK, replace the computer module.
Freedom Fill System Does not Transfer Fuel as Described
Note: Due to the slight variations of each truck and with all components, there can be a plus or
minus 5% variation in the Freedom Fill System. Some vehicles will have the pump turn on just
above or just below a half a tank. Some vehicles will have the pump shut off at just below or just
above three-quarters of a tank. There is no way to have every truck turn on or off exactly the
Pump Turns On/Off Intermittently
follow the steps provided below.
800-773-3047
with the computer module serial number.