Can someone explain how the fuel gauge in my little Ford Laser works. It stopped working the other day, the fuse is OK but I want to measure some voltages etc near the sender unit and in the wiring loom but need a little advise what voltages should read etc. Are there any easy tests I can do to help locate the problem. Thanks for any help. Cheers
Fuel gauge
Jul 08, 2005
3 Replies
locate the tank sender unit, earthing the lead to it should make the gauge read full (ign on), if it doesn't there is a wiring or gauge fault, if it does then there is either a bad connection at the sender or a broken sender unit. the sender unit generally has an earth wire and a sender wire, some also have a low fuel light and some have a fuel pump built in too, so you need to know what you are doing or have a good wiring diagram.
mrcheerful
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