What is battery and cable service?

If your car has trouble starting or if the vehicle’s electrical components are not working properly, take your vehicle to a licensed and qualified mechanic to determine whether the battery, battery terminals, or cables need servicing or replacing.
Your car’s battery and battery cables are heavily used within the confines of your engine bay. Corrosion can build up on your battery and its terminals and drain the battery of power. Battery cables can become loosened over frayed over time and may touch other components within the engine bay.

How to service a battery and cables

  • Before the battery is disconnected, be sure to write down any radio codes or presets in case they are lost upon disconnection.
  • With your car’s engine off, your mechanic will first disconnect the negative cable, and then the positive cable.
  • The mechanic will inspect your car’s battery, its terminals, and the cables themselves for corrosion and wear and tear before being cleaned and repaired. 
  • The mechanic will reconnect the battery and test it to ensure its output matches your vehicle model’s specifications.

How do I know if I need to service my battery and cables?

There are a few telltale signs that your battery and/or its cables will need to be checked out by a mechanic. Here are the signs to look out for:
  • Trouble starting your car’s engine
  • You hear a clicking sound when trying to start your engine
  • You can see corrosion deposits on the battery itself
  • Battery cables show signs of wear & tear, such as fraying or loosening
  • Your vehicle’s interior lighting begins to dim
  • Your engine stalls after startup if your car doesn’t get moving

How important is it to service your battery and cables?

Well, it’s very important—your car needs its battery and cables to function properly in order to reliably start your engine and to ensure that all the vehicle’s electrical components work normally.

Tips for battery and cables

Here are a few things to keep in mind to ensure your battery is always up to snuff when you’re on the road.
  • Get your battery and cables checked any time you take your vehicle in for servicing
  • If terminals or cables are damaged, don’t wait to replace them—do so as soon as possible in order to avoid engine stalls and other issues
  • Corrosion can drain your car’s battery of power and shorten its lifespan

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