With winter months coming, vehicles tend to suffer, the most basic situation is to have difficulties starting your Mazda CX 7 early in the day with very low temperatures. Generally this is associated with problems recharging the battery of your Mazda CX 7 . There are some causes that can describe why your battery does not recharge properly anymore, and today we will try to help you to solve this issue that can prevent you from using your car. To get this done, first we will describe how recharging your car battery works, then the different problems of recharging a Mazda CX 7, and at last how to recharge an empty car battery.
How does recharging the battery of a Mazda CX 7 work?
Before we summarize the different problems of recharging the battery on a Mazda CX 7 , we will describe to you how its recharging system works so that you can understand the problems you are struggling with. A car battery works like a phone battery, it will store energy to start your Mazda CX 7 , turn on your headlights, play music, lower your power windows… However all these actions will consume energy and it might deplete the energy reserve that your battery can store. To overcome this issue, the engineers have designed a component called the alternator , this component will use the energy created by the engine of your Mazda CX 7 to generate energy thanks to a copper coil and a magnet. This energy will recharge the battery of your car . However, bear in mind that this process can only work when your motor vehicle is running, using electrical elements of your car when it is stopped will drain the energy reserve of your car. It is considered that a battery of a xxx has a life span of 3 to 5 years.
Problems recharging a Mazda CX 7’s battery
We will now describe the different battery charging problems on a Mazda CX 7 you may be victim of. If your battery is not recharging because there is actually a issue in your electrical installation, we will now see the different cases.
Battery charging problem on Mazda CX 7: My battery is discharging regardless if I am recharging it with a specific charger
In this first circumstance, it is quite possible that your alternator is dead , in fact, if you manage to recharge your battery with a charger and your Mazda CX 7 to start, the problem obviously comes from your alternator which should not be able to generate any more current.
Battery charging issue on Mazda CX 7: My car shuts off and does not start regardless if I have charged the battery
If you have recharged your battery and you have managed to start your Mazda CX 7 but it switches off although you are driving and then does not start, the trouble with recharging the battery of your Mazda CX 7 is that your battery no longer holds the charge .
Battery charging issue on Mazda CX 7: My battery is discharged although it is new
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If you’ve just bought a battery and it discharges although you’re driving, the issue most likely comes from your alternator. It cannot originate from your battery, which is new and therefore holds the charge. The second opportunity is that you have a ground somewhere in your electrical system.
How to solve the issue of battery charging on Mazda CX 7?
We will now give you the solutions according to the issue you are struggling with. Here are the different problems and their solutions:
- Faulty alternator: You can try with basic mechanics to verify it with a pressure gauge to discover if it’s producing power. If it doesn’t, changing it is the best solution, depending on your motor you will pay a few hundred euros. This repair is feasible in the event your alternator is accessible.
- Battery that no longer holds the charge: In this case, the purchase of a new battery is the only realistic solution. Indeed, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros depending on your engine.
- Ground in the electrical circuit: If you cannot start your Mazda CX 7 but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a verify by a car electrician is in this case required.
How to recharge an empty battery of a Mazda CX 7
Finally, to recharge the empty battery of a Mazda CX 7 there are only few solutions, using a battery charger is the most efficient solution, you can discover some for 50 to 100 euros at vendors like Oscaro. Otherwise you can use cables that will only provide the energy needed to start.
To get more tips on the Mazda CX 7, take a look at the Mazda CX 7 category.
