Why Won’t My Car Start with Jumper Cables? 

By Usama Wazir

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Connecting your car with jumper cables begins with starting the dead car, popularly following these steps. Nevertheless, there are still cases where, after going through all the mentioned steps, the engine does not come to life with a mighty roar. Frustrating, isn’t it? Next, we will discuss why your car is not starting with jumper cables and how to go about it. 

Basic Requirements for Jump-Starting a Car

Basic Requirements for Jump-Starting a Car
Basic Requirements for Jump-Starting a Car

Starting a car is not that big of a deal, but it will require some tools, at least, and, of course, some precautions. 

Necessary Tools: 

  • Jumping cables consist of cables that are usually used to transfer electrical current or voltage between two conducting surfaces. 
  • That includes folks who usually request or seek a working car whose battery has been charged. 

Safety Precautions: 

  • Make sure both cars are off and not running. 
  • Avoid getting the cables near the moving parts of your machine. 
  • Use of protective gloves and eyewear. 

How to Use Jumper Cables Properly 

Again, it is quite obvious, but even if you have done it a hundred times, it can’t hurt to refresh it. 

1. Positioning the Cars: Park both cars in a manner that makes a direct connection of the jumper cables easy, but the cars must not be close to what they are touching. 

2. Connecting the Cables: 

  • Connect one red clamp on the positive terminal of the dead battery. 
  • Screw one of the other red clamps to the positive terminal of the charged battery. 
  • Connect one black clamp on the negative terminal of the said charged battery. 
  • Attach the other black clamp to another unpainted metallic surface of the car with the dead battery. 

3. Starting the Engine: First, start the working car and let it warm up for a few minutes. After this, it is advisable to attempt to start the car with a dead battery. 

4. Disconnecting the Cables: Disconnect the cables in the reverse manner and pull out the wires so that they do not get stuck in the socket. 

Common Reasons 

On lots of occasions, even with all the procedures followed, the car does not start. Here are some common culprits: Here are some common culprits: 

Battery Issues 

  • Dead Battery: Sometimes, if the battery is dead completely, then it will have to be charged for some time longer, or it will be changed. 
  • Faulty Battery Connections: The condition of the battery terminals might also be a culprit: perhaps one of them is loose or has been corroded. 

Alternator Problems

Signs of a Bad Alternator: Some of the signals that absolve the alternator include the low brightness of the vehicle lights, the squeaky sounds produced, or if the alert light on the dashboard of an automobile comes on. 

Starter Motor Failures 

Symptoms of a Failing Starter Motor: It is very important that one realizes that some noises, like the clicking sound or the engine failing to turn over, can be attributed to a faulty starter motor. 

Corroded or Loose Connections 

Corroded or Loose Connections 
Corroded or Loose Connections 

Identifying Corrosion: This is done by observing the battery terminals for white or ash-like substances. 

Tightening Loose Connections: Remember that all the connections should be tight. 

Diagnosing the Problem 

Before leaping to conclusions, a few diagnoses are very far-reaching. 

  • Using a Multimeter: In this case, first of all, the battery voltage must be inspected. The voltage of a fully charged battery should be about 12. 6 volts. 
  • Visual Inspections: That means there is pre-programmed damage, wear, or the like that can be detected on the object. 
  • Listening for Specific Sounds: Sounds such as clicking or grinding can determine the cause of the matter. 

Solutions and Fixes 

Once you’ve identified the problem, here are some potential fixes: 

  • Recharging or Replacing the Battery: Occasions when it will accept a reasonable charge are sometimes. Thus, if the battery is old, replacement could be the best solution. 
  • Fixing the Alternator: If the problem is with the alternator, you might require repair or replacement. 
  • Repairing or Replacing the Starter Motor: In the case of a faulty starter motor, you need the assistance of a mechanic to work on it or even change it. 
  • Cleaning and Securing Connections: Remove any rust and make sure all connections, whether terminal or soldered, are secure. 

Preventive Measures 

For each ailment, the saying prevention is better than cure goes without saying. This is the reason why a vast number of people advise having scheduled maintenance often. 

  • Regular Battery Maintenance: Look at the battery terminals for signs of rust and any signs that they are not effectively connected. 
  • Alternator Checks: Check your alternator and belt for signs of wear and tear. You should do this on a regular basis. 
  • Starter Motor Inspections: Once in a while, take your starter motor to a technician for inspection. 

Conclusion 

Ways to tell why your car won’t start with jumper cables are important so as to save time, money, and embarrassment. This is the truth, which many of us do not want to recognize, but this is the truth: timely and proper care is crucial for the car. But of course, if you are unsure, do not hesitate to call in a professional. 

If your car won’t start, double-check all connections, wait a few more minutes, and try again. If it still doesn’t work, you may need to diagnose further or call a professional.

A dead battery often shows dim or no lights at all. Using a multimeter to check the voltage can confirm if the battery is the issue.

Yes, incorrect use of jumper cables can cause damage to the electrical systems of both vehicles. Always follow the correct procedure.

It’s a good idea to check your car’s battery and electrical system at least twice a year or before any long trips.

Dim lights, unusual noises, and a warning light on the dashboard are common signs of a failing alternator.

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