Land Rover Fuel Gauge Wiring Diagram. The late and post iia rovers used a different more sophisticated system involving a voltage regulator and a hot wire type gauge. The fuel gauge circuit has a current limiter in it to stop heavy currents flowing inside the sender unit during a short circuit since the sender lives above the liquid petrol it is surrounded by petrol vapour and oxygen and a spark is all you need to form an ejector seat the limiter is designed to give maximum current to give full scale deflection of the fuel gauge when shorted.
In this section you can download land rover workshop manuals part catalogues and other useful pdf document like product specifications instructions repair jobs engine fuel pump tuning etc. Analogue fuel level gauge for monitoring of fuel tank level. I also have a tdi200 more than that i have the original defender wiring diagram.
Continuity if it fails that then the wire is broken somewhere.
Raise the arm even a little and the gauge reads max. For example if a module will be powered up and it also sends out a signal of half the voltage in addition to the technician would not know this he would think he offers a challenge as he. Engine control module ecm 13cu. Feed voltage at gauge 122v.