My gauges have all been working perfectly until a couple of days ago. I pushed the trip button to reset the mileage as I usually do when I fill up, and at exactly the same moment, both the fuel gauge and temperature gauges dropped to zero. Now the gauges work very rarely with the fuel generally reading empty (with fuel light on) and the temperature reading constantly at the very top of the red zone. The temperature gauge fluctuates between very hot or very cold sometimes, but never stays in the centre as it used to.
I have read in other posts that the fuel gauge sender wires can become brittle and snap, and I am yet to check them, but how is this affecting the temperature reading? Do they have a common earth or something that I should check?
Seems very odd that everything went wrong at the instant I pressed the trip counter, which is why I think the sender is probably ok.
Any help on this would be great, thanks in advance!