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How to Jump-Start a Car

Last Modified: December 04, 2015 by Jeff Ostroff

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.

jump-start connections step 1
Step 1:
Connect one end of the Positive (+) cable to the Positive (+) post of the dead battery.
jump-start connections step 2
Step 2:
Connect the other end of the Positive (+) cable to the Positive (+) post of the good battery.
jump-start connections step 3
Step 3:
Connect one end of the Negative (-) cable to the Negative (-) post of the good battery.
jump-start connections step 4
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 >

CarBuyingTips.com has affiliate referral relationships with multiple web sites. This means that for many of the links you see on this site, we are paid referral fees for leads generated from visitors that click on links or fill out forms on this site. In some cases we are paid a commission for a purchase made on a site that is linked to from CarBuyingTips.com. Please view our advertising policy page for more information.