Battery terminals can be Left to Right or Right to left depending on your car model.It is mentioned in the battery holder case in your car. Left to right means that the positive (+ Plus) terminal is on the left side in the battery platform in your car  and Right to left layout means the positive (+ Plus) terminal is on the right side of the battery bay or platform in your car. If you place the battery wrongly the connector cables may not reach the battery terminals. If the cables are not connecting - Don’t pull the cables.