The Truman Doctrine arose from a speech delivered by President Truman before a joint session of Congress on March 12, 1947.
Positive First. When installing a mower battery, always connect the positive cable first. The positive cable is red. It attaches to the battery terminal post marked with a plus sign, the letter P or the word POS. Attach the negative cable last. The negative cable is black.
To charge the battery, plug the transformer into the wall, remove the safety key if applicable and insert the charger plug into the receptacle on the mower; consult your owner's manual for the location of the receptacle -- it's often on the mower handle. A red light will illuminate, indicating the battery is charging.o charge the battery, plug the transformer into the wall, remove the safety key if applicable and insert the charger plug into the receptacle on the mower; consult your owner's manual for the location of the receptacle -- it's often on the mower handle. A red light will illuminate, indicating the battery is charging.