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LandRoverAnorak

Member Since: 17 Jul 2011
Location: Surrey
Posts: 11240

2013 Defender 110 Puma 2.2 USW Orkney Grey

Low fuel light

Anybody know how this is triggered? Mine seems to come on randomly so I need to do a bit of fault finding.

Oh, and yes it has got fuel in it! Filled it up yesterday and light went out. Started it today and light came on again

Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia

22nd Oct 2016 5:42pm

Retroanaconda

Member Since: 04 Jan 2012
Location: Scotland
Posts: 2547

Usually there is a third spade connector on the fuel level sender that triggers the light based on level. A wire from that to the light is the usual setup.

However some models have a small printed circuit board taped up in the loom that interprets the fuel level signal and controls the light, to which it is connected. Mine (1992) had that, but I ripped it out when I converted to Td5 clocks.

22nd Oct 2016 5:48pm

LandRoverAnorak

Member Since: 17 Jul 2011
Location: Surrey
Posts: 11240

Ah, thanks for that. Mines a '92 as well and there are only two wires to the tank sender, which suggests other electrickery at work. I've had all of the dash in bits, so it could just be a duff connection somewhere, but I'd like to narrow it down a bit.

Where abouts in the loom should I be looking for the circuit? Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia

22nd Oct 2016 6:18pm

Ramsay

Member Since: 30 Sep 2015
Location: Moffat, Dumfries & Galloway
Posts: 625

1995 Defender 110 300 Tdi CSW Auto Keswick Green

I await developments with interest as mine has never worked. You are giving me some
Places to check. 1995 Defender 110 CSW
1971 SIIA Lightweight

22nd Oct 2016 6:25pm

Retroanaconda

Member Since: 04 Jan 2012
Location: Scotland
Posts: 2547

If I recall correctly the PCB wotsit was behind the clocks somewhere.

Try following the wire from the low fuel light itself back into the loom if you can.

22nd Oct 2016 6:51pm

LandRoverAnorak

Member Since: 17 Jul 2011
Location: Surrey
Posts: 11240

Ok, thanks, I'll take a look.

Ironically, I may have accidentally found the problem though. Just been out for a run (fish & chips

) and I had trouble starting it. Turn the key to start and it would fire but die as the key was released from the start position. All of the dash lights died, too. However, a bit of key jiggling and it started straight away, which tells me that the ignition switch is worn. Given the way that the fuel light seems to reset after starting, it may be related.

Anyway, fitting a new ignition switch is now in my future. Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia

22nd Oct 2016 7:37pm

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