Do you need to disconnect the battery to change spark plugs?

Spark Plugs are not directly connected to battery current. No harm can come to the electrical system while changing them.Do you need to disconnect the battery to change spark plugs?No, you do not. Make sure you leave it off with the key out. If the key is on it might shock you as it will be trying to give spark.

Hope this helps.Do you need to disconnect the battery to change spark plugs?Nope! Just don't have somebody cranking the engine while your doing it.Do you need to disconnect the battery to change spark plugs?No you don't have disconnect the battery to change plugs...........mdDo you need to disconnect the battery to change spark plugs?No.Do you need to disconnect the battery to change spark plugs?No.