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Thursday, March 15, 2012

What should I know about using booster cables?

March 15, 2012

Sparks created from booster or jumper cables can ignite a flammable mixture of hydrogen in air causing an explosion.

Before using jumper cables:

-Wear eye protection.
-Make sure that the two vehicles are not touching each other.
-Turn off the ignition switches of both vehicles.
-Extinguish all cigarettes, cigars, and other sources of flame or ignition. -Remember, explosive mixtures of hydrogen are always present in the cells of
-Remove the filler caps from both batteries to vent the dangerous hydrogen gas. -This is not necessary if the vehicles are equipped with maintenance-free batteries.
-Do not charge or jump a frozen battery.
-Check vehicle/equipment service manual for specific requirements.


When connecting or disconnecting jumper cables, use extreme care in handling the clamps.

Do not allow cables to touch each other, nor to touch the frame or body of either vehicle. This will prevent sparks that can cause an explosion.

-Avoid contact with the revolving cooling fans when disconnecting the cables.
-After removing the booster cables, replace the filler caps on both batteries.

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  1. It's also important to follow the instructions included with the cables as far as hooking them up to the batteries. Many people believe that the cables are to be hooked up to the posts of both batteries. However, the cable clamps should only be hooked up to both terminals on the host battery and only the positive terminal on the battery to be boosted. The other clamp is to be attached to a metal part of the engine or part of the vehicle frame as a ground.

  2. Thank you Deb for your feedback, your are absolutely correct when you mention how to properly ground your connection. This is very important and will prevent your from any damage done to either vehicles electrical system. Thanks for sharing this with all our readers.


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