Vehicle & Technical > Defender

Funny fuel gauge

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hobbit:
Find the sender unit on the tank, and one of the wires should be connected to earth, try to clean the connector up

Also have a look around for an earth cable round the lights, might be worth removing the bulbs and checking the contacts for corrosion

tiltboy:
I have got exactly the same problem!! - But on my temp gauge!!  :shock:

If I put the brakes or any of the lights (including indicators - giving a "bounce" to the gauge) or the heater blower, the temp gauge climbs sky high! Now, I have got a brake light out and I think that this is a bad earth in the rear light/tow socket wiring.

Obviously interference from somewhere, but after well over an hour with the multimeter I still can't find it.

First noticed when towing, I pressume the extra lamp draw increases the effect.  :roll:

Glad to see this post though, gives me hope!

Leigh:
Thanks for that, presume I have to remove the tank to get to the sender in which case I'll wait until the tank is near empty before trying to lower it  :lol:

At Rockingham Landrovers yesterday talking about it and they mentioned someones Landy doing the same thing with their temp gauge

Cheers

mark.yellow.series.3:
just a thought, but change the brake light bulbs.
sounds daft but on my frontera when i pressed the brake the side lights came on, the reason was the filiment in the brakelight had touched the side light filiment inside the bulb. also in my scenic, press the brake and the tyre pressure warning light came on, on the dash. that was cured by new bulbs.

Leigh:
I have a couple of new spare bulbs in the garage so I'll give it a try.
Cheers Mark

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