On the vast majority of the present vehicle a decent battery is consistently need prior to testing any parts hardware to discover the issue. A decent volt/ohm meter or DVOM (advanced volt ohm meter) is an unquestionable requirement here. Try not to utilize test lights in case you are initially beginning. You can make more harm a circuit in light of the heap a bulb might put on the circuit, particularly in case it is an airbag circuit. A battery should have a decent charge of 12 volts to get great readings.
Get a wiring outline for your automobile. This will save you from a great deal of agony and disturbance. You can generally track down a decent plant chart some place on the Internet, if not a decent essential fix manual will have some sort of graph. You may need to look a bit more for connectors and attachments with an essential fix manual than a plant outline. Take a gander at how the circuit functions before you begin testing and examining. Ground focuses and power focuses are in every case great spots to begin. In the event that an automobile circuit is not getting the legitimate force or ground this can a ton of issues. Search for the simple focuses to arrive from the outset, it very well may be only that basic.
Of course it probably would not be. On the off chance that all the force and grounds are perusing according to fabricates detail, search for connectors in the circuit. See where a wire is going and where it is coming from. In many causes you will see that a bowed male pin of an open finished female pin is not associating as expected. The most ideal approach to test this is to stick drag the pins. We will go into circuit testing and fixing later. There will be a ton of post with regards to automobile electrics later.
Make sure to get a decent DVOM and wiring chart. Begin taking a gander at the simple focuses first, powers and grounds. You might track down that the least complex thing made your vehicle fall flat. Take as much time as necessary where fixing your automobile electrics, better to be cautious here and not cause more harm.