Hi all picked up an escort van two days ago got it home and realised it needed a rear engine mount so I've done that and also the fuel gauge wasn't working (knew about that) anyway had the tank off cleaned the plug etc still no joy traced the wired back to find it not plugged into anything. There was no plugs around only two wires hanging a brown and white. Plugged one in think was the white and fuel gauge started working so just taped the other up and left it. Since using the van more and more the fuel gauge seems to go up the more I use I so got a horrid feeling going to show empty when full and full when empty. Not swapped the wires over or tried that yet just wondering if anyone can shed some light on the brown and white wire or what could be happening? Many thanks in advance it's a 2000 1.8 D with 82k on the clock

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Not 100% sure, but the brown white will be your pos and neg. so connect BOTH to the plug. It sounds like, if they had already been removed by previous owner, that was for a reason, and possibly the sender in the tank is at fault. Just eliminate each component you can i.e. dash gauge, wiring, sender. It's likely to be in the tank otherwise the last bloke would have fixed it at a guess.

Old Fords do it sideways