Car start unresponsive fault repair

 Today this car, the owner left it half a month later, and then the ignition would not start. The owner was ready to pay for a tow truck, I said you don't have to call first, I'll show you what's going on, first try to start the vehicle, put the brake on and hang the p-gear, twist the key and no response at all. In this case, there are only two reasons, the battery is dead or the starting system has problems. Let's start with the simple one, turn on the headlights, see the brightness of the headlights, then press the horn and listen to the sound, the headlights of this car are also very bright, the horn sound is also normal, indicating that the battery power is sufficient. That must be the problem of the starting system, next we come to check the starting system, we just need to find a test pen, one end clamped to the negative terminal of the battery, test pen this end to test the power terminal of the magnetic switch, find a small partner to cooperate with the start of the vehicle, unscrew the key a moment, test pen lit up, the

This means that the starter circuit is normal, the problem is in the starter motor itself. The following start the motor off, look at it, break it down to see, this motor is generally two places are prone to problems, one is its carbon brushes.

The other area is its magnetic switch, and this carbon brush seems to have no problem with

The problem is likely to be in the magnetic switch, use a multimeter to test it to know its good or bad, one hand to press the plunger above, use a multimeter to measure whether its two terminals are on, see the multimeter is not on, then it is bad.

We went to the auto parts store and bought a new one back, pressed down on the plunger with one hand and measured with a multimeter if it was on, and it was on.

Let's load up the car and have a look. And by the way, let's take care of its rotor too! We give him a little sanding with very fine sandpaper.

Well, the motor is all set up and

Let's get in the car and start the vehicle to see how it looks, apply the brakes, put it in p, open the key door and start the vehicle in one go. Isn't it very simple? Learn a little bit about car repair every day and you can repair your car yourself.