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How to Jump-Start a Car

Preparation for Jump-Starting a Dead Car Battery

positive battery terminal
Positive Terminal
negative battery terminal
Negative Terminal

Connecting the Car Battery Jumper Cables

The cables must be connected in this exact order listed below. Wear eye protection! Click on the thumbnail pictures for a larger view.

Step 1:
Connect one end of the Positive (+) cable to the Positive (+) post of the dead battery.
Step 2:
Connect the other end of the Positive (+) cable to the Positive (+) post of the good battery.
Step 3:
Connect one end of the Negative (-) cable to the Negative (-) post of the good battery.
Step 4:
Connect the other end of the Negative (-) cable to a good solid shiny, non painted metal part of the engine on the dead car. Usually a bolt on the engine block will do. You want to avoid placing the Negative (-) cable directly on the dead battery to minimize the chance for an explosion. You should only use the post on the dead battery as a last resort. On this step you'll get a normal spark as you connect the ground.

Page 2: Starting the Dead Car >

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