How many amps does an ignition coil draw?
Usually 10 amps or less – the wires to the coil tend to be 14/010 same size as used for indicators etc. See some detail here: http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/ignition.html [How a coil works] [1] I read that modern coils draw about 4 amps while the points are closed.
What does it mean when your car is drawing power?
There are a few things that constantly draw power in a vehicle, such as the clock on the radio, so it’s normal to have a reading between 20 and 50 milliamps. If your reading is higher than that, it means there’s a draw and something is using too much power.
How does a capacitive discharge ignition circuit work?
The input to the CDI unit is derived from two sources of the alternator. One source is a low voltage around 12 volts while the other input is taken from the relatively high voltage tap of the alternator, generating around a 100 volts. The 100 volts input is suitably rectified by the diodes and converted to 100 volts DC.
Which is the best way to determine amperage of circuit?
The circuit breaker protects the wiring of the electrical supply. High-power devices such as air conditioning units and ovens are best installed by a trained electrician. Check the device’s voltage rating. The amperage drawn depends on the voltage of your electrical circuit.
How much current should my car draw with the ignition on?
If during your testing of current drain with the ignition on, the points happened to be closed, then the ignition coil will be getting powered from the battery via the ballast resistor. A rough calculation R=V/I would show the resistance of the circuit = 12/2.5 = 4.8 ohms
There are a few things that constantly draw power in a vehicle, such as the clock on the radio, so it’s normal to have a reading between 20 and 50 milliamps. If your reading is higher than that, it means there’s a draw and something is using too much power.
The input to the CDI unit is derived from two sources of the alternator. One source is a low voltage around 12 volts while the other input is taken from the relatively high voltage tap of the alternator, generating around a 100 volts. The 100 volts input is suitably rectified by the diodes and converted to 100 volts DC.
Which is the heart of the ignition process?
The ignition process in any vehicle becomes the heart of the entire system as without this stage the vehicle just won’t start. To initiate the process, earlier we used to have the circuit breaker unit for the required actions.