- Car fuel gauge simulator recorder full#
- Car fuel gauge simulator recorder code#
- Car fuel gauge simulator recorder free#
First, disconnect the battery and then remove the "T" terminal wire on the back of the instrument.
Car fuel gauge simulator recorder full#
It is extremely important to bear in mind that gauges with voltage stabilizers should never be connected directly to the full battery voltage or they may be irreparably damaged. If the electrical wiring appears to be satisfactory move on to check the gauge itself.
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Car fuel gauge simulator recorder code#
Any new lengths of wire should be of the same size and colour code as that which has been cut out. If this is the case, replace the damaged section of wiring by cutting the damaged part out and then joining a new section of wire to the cut ends with in-line connectors. You will usually find that one of the electrical leads has worn through and caused a short-circuit. Before you replace the fuse, however, check the cause of it blowing. If this is the case the most likely cause of the failure is a blown fuse. Look in your handbook to see if the fuel gauge is on the same circuit as any other components that are not working. Ensure that the gauge is firmly located in position and that all of the electrical connections are tight. Checking the electrical connections: Next, with either type of unit, make a thorough check of the wiring circuit of the fuel gauge. This may seem very obvious but it is an easy point to overlook. The first check, if there is no reading on your fuel gauge, is to make sure there is sufficient petrol in the tank. But, when the tank is full, most of the current is diverted towards the control coil and, consequently, the pointer needle shows "full'. With this type of gauge there is no resistance in the circuit when the tank is empty and so the armature and the pointer needle are drawn towards the deflect coil. The strength of the current flowing through the other electromagnet, the deflect coil, depends on the position of the float unit in the tank.
Car fuel gauge simulator recorder free#
The locking ring has to be turned to enable the lugs to come free of the locating ring on the tank body.Ĭurrent flows constantly through one of the electro-magnets, known as the control coil, when the ignition is switched on. It was fixed to the tank by screw or hexagon-headed bolts.Īn inter-locking lug type fixing is used on older Ford and Datsun transmitter units. The armature is connected to the pointer needle of the gauge.įuel Gauge transponder unit, as found on older type Vauxhall and Fiat models. The principal components of the magnetic gauge are two electro-magnets which act on a small armature and the gauge works in the following way. The other type of fuel gauge, the magnetic or "moving-iron" type, can easily be recognized by the fact that its pointer needle gives an instant reading when the ignition is switched on, whereas the bi-metallic gauge moves slowly into position when the circuit is activated.
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This voltage stabilizer, which is a small, sealed unit with a separate earth tag, can usually be found either on the back of the speedometer instrument on the printed-circuit board or mounted somewhere on the car body fairly close to the instruments. However, the Citroen GS is one of the few cars which has a bi-metallic fuel gauge which is not controlled by a conventional voltage stabilizer. On the other hand, this type of gauge is sensitive to fluctuations in the car's battery voltage and so a separate voltage stabilizer is usually incorporated into the fuel gauge circuit to keep the voltage and, therefore, the instrument reading, constant. The advantage with the bi-metallic gauge is that the reading of the gauge will not be affected by any movement of the fuel in the tank when the car is moving. The resistance in the circuit is at its maximum when the tank is empty which means that the strip will not alter its position and consequently the gauge will read zero. The strip will deflect most when there is no resistance in the fuel gauge electrical circuit and the tank is full. The movement of this strip is then transferred to the pointer needle of the gauge. When the ignition is switched on, the heating coil causes the bimetallic strip to deflect.
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Inside the bi-metallic gauge there is a small heating coil surrounding a strip of metal which is made up of two pieces of different metal riveted together. There are two basic types of fuel gauge on older cars, a bi-metallic resistance gauge and a magnetic or moving-iron gauge. The transmitter acts as a rheostat or "variable resistance" and consists basically of a float and a lever which change position according to the amount of fuel in the car's petrol tank. The fuel gauge usually consists of two main components, the transmitter in the boot and the dial face mounted on the car fascia.