How to Use a multimeter
Knowing how to use a multimeter and what all of its functions can do may seem like a bit of a dark art, and it doesn’t help that the motoring industry assumes everyone should know how to measure voltage, test a fuse and work out whether a sensor is correctly working or not. So the following pages aim to provide a general guide to fixing problems and checking electrical wiring and components using a variety of simple and sophisticated multimeters.
Modern multimeters have a red lead for positive or live connections and a black lead for negative or earth connections. However, some Fords from the 1960s or before have a positive earth system instead, whereby the positive lead from the battery is earthed to the bodywork and the negative lead provides the electricity. Swapping the leads around on the multimeter should enable correct readings to be taken, but check with the supplier or manufacturer of your multimeter first.
TYPES OF MULTIMETER
“EXPECT TO PAY UPWARDS OF £6 FOR A NEW MULTIMETER”
There are a wide range of multimeters, but perhaps the most traditional is the one with a centre dial that is used to
