Product Description
Fuel level sending unit
FIAT and Bertone X1/9 - 1980-1988 (with Bosch fuel injection)
Gasket included
For the hold-down nut use FU3-507
![](https://cdn11.bigcommerce.com/s-1bhf1djfdu/images/stencil/original/image-manager/tech-tip.jpg?t=1706629245)
A quick way to test a fuel-sending unit and all the gauge wiring is to turn on the ignition, then disconnect the wires at the sending unit and touch them to the ground one at a time. One of the wires should make the needle in the gauge jump to full; the other should make the low fuel level light illuminate.
If the fuel gauge does not respond, the fault is not in the fuel-sending unit.