CakeBandit

Active Member
I am trying to figure out my fuel gauge. Took a reading with digital and analog meter at the fuel tank unit, readings jumps from around 5V to 10V almost twice a second. Could I have a wire crossed, or according to circuit diagram the wire from tank unit goes to fuel gauge and from fuel gauge is supposed to go to the "voltage stabilizer" which I can find but the markings on it are not clear.
(Series 2A, 2.25 petrol, 109)
 
Solved,
It was the stabilizer and sender. The arm on the sender was fairly stiff to swing and I think the ethanol I put in a while back soaked into the plastic float, because I can hear swishing, so I changed it to a spare one I had with a tin float. Found a spare stabilizer and now it shows 10V steady. Gauge is at least reading now, so no more guess work. :)
 
Don't you just hate it when a thing has separate faults, when I first got my landy the hazard flashers didn't work and I was desperate to fix them because I expected to break down a lot. There where 3 separate faults, the flasher unit itself was knackered, there was a bad connection in the indicator switch and a bad Earth on one of the lights. It took me longer to sort that lot out than to replace all my brakes
 
You cant test a mechanical (like series landys have) voltage stabiliser with a digital multimeter as the voltage on them jumps up and down

You need an old style voltage meter (type with a needle)
 

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